1. Introduction
The Retekess TM102 Game Show Buzzer System is designed to enhance interactive quiz games and educational activities. This system features colorful light indicators, multiple response modes, and supports up to 32 buttons for large-scale participation. It offers a wireless range of 164ft-262ft, ensuring flexibility in various settings. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance.
2. What's in the Box
Upon unpacking, please verify that all the following components are included:
- 1 x Host Controller
- 12 x Buzzer Buttons
- 12 x USB Type-C Charging Cables
- 1 x 4-in-1 Type-C Charging Cable
- 1 x Retekess TM102 User Manual
- 1 x Lanyard

Image: All components included in the Retekess TM102 Game Show Buzzer System package.
3. Key Features
- Colorful Light Indicators: Buzzers feature colorful lights to visually indicate the answering order, ensuring fairness and adding excitement to games.
- Three Response Modes: Offers General, Rule, and Random modes, each providing a unique experience for different game dynamics and participant engagement levels.
- Expandable System: Supports connection of up to 32 buzzer buttons, allowing for large-scale participation in various activities.
- Extended Wireless Range: Operates wirelessly with a range of 50-80 meters (164-262 feet) between the host controller and buttons, providing flexibility for diverse room layouts.
- Locking Function: The system includes a locking function to secure the first responder and manage subsequent rounds effectively.
4. Setup Guide
4.1. Initial Preparation
- Unpack Components: Carefully remove all items from the packaging and ensure all listed components are present.
- Charge Buzzer Buttons: Connect each buzzer button to a power source using the provided Type-C charging cables. The buttons are rechargeable.
- Install Batteries in Host Controller: The host controller requires batteries. Please refer to the product packaging or included manual for specific battery type and quantity.
4.2. Pairing the System
Follow these steps to pair the host controller with the buzzer buttons:
- Power On Host: Press and hold the power button on the host controller for 1 second to turn it on.
- Activate Buzzer Buttons: Press each buzzer button once to activate it.
- Initiate Pairing: On the host controller, press the designated pairing button (refer to the host's display for specific instructions, often indicated by a flashing light or specific mode).
- Confirm Connection: As each buzzer connects, its light will change (e.g., turn green) and the host controller may display its ID.

Image: Overview of the Retekess TM102 Game Show Buzzer System components.
4.3. Setup Videos
Video: Demonstrates how to use the answer buzzer system, including battery installation and basic function.
Video: Guide on how to pair the buzzer system, ensuring proper connection between the host and buttons.
Video: Instructions on how to set the channel for the quiz answer buzzer system.
5. Operating Instructions
5.1. Response Modes
The TM102 system offers three distinct response modes to suit various game types:
- General Mode: All buttons show blue lights when ready. The first successful answer turns green, unsuccessful turns white. A locked button turns yellow and cannot participate until unlocked.
- Rule Mode: When a countdown starts, buttons display colors in sequence (green, blue, red). When a button displays blue, it indicates it's ready for an answer.
- Random Mode: The host presses the random key, and button colors display in sequence (green, blue, red). Pressing the random key again selects one responder, displaying green, while unselected ones turn white.

Image: Visual guide to the three distinct response modes.
5.2. Visual Indicators
The buzzer buttons use colorful lights to provide clear visual feedback:
- Green Light: Indicates the first responder.
- Blue Light: Indicates the third responder.
- Yellow Light: Indicates a locked button.
- Red Light: Indicates a foul or incorrect response.

Image: Explanation of colorful light indicators on the buzzer buttons.
5.3. Locking Function
The host controller features a locking function to manage game flow. After a player buzzes in and provides an answer, the host can lock that player's button. This prevents them from buzzing in again until the host unlocks it, allowing other players a chance in subsequent rounds or questions.

Image: The host controller's lock function and a locked buzzer button.
5.4. Operation Videos
Video: Comprehensive guide on how to use the Retekess TM102 trivia buzzer system, demonstrating various functions.
Video: Detailed explanation of the Retekess TM102 Game Buzzer System buttons and their functionalities.
6. Maintenance
6.1. Battery Information
- The buzzer buttons are rechargeable via Type-C USB. Use the provided Type-C charging cables to recharge them. The 4-in-1 cable allows for simultaneous charging of multiple buttons.
- The host controller has a battery level indicator. Please refer to the product packaging or included manual for specific battery requirements for the host controller.

Image: Host controller displaying battery information.
6.2. Charging Buzzer Buttons
Use the provided Type-C charging cables to recharge the buzzer buttons. The 4-in-1 cable allows for simultaneous charging of multiple buttons.

Image: Buzzer button connected for Type-C charging.
6.3. Cleaning and Storage
- Wipe the devices with a soft, dry cloth. Avoid using harsh chemicals or abrasive cleaners.
- Store the system in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for an extended period, remove batteries from the host controller (if applicable) to prevent leakage.
7. Troubleshooting
- Buzzer not responding: Ensure the buzzer button is charged and powered on. Verify it is correctly paired with the host controller. Check the host controller's battery level.
- Incorrect light indication: Refer to the "Visual Indicators" section in this manual to understand the meaning of each light color.
- Difficulty with pairing: Ensure the host controller is in pairing mode. Press each buzzer button once to activate it before attempting to pair. If issues persist, power cycle both the host and buttons and try again.
- Short wireless range: Ensure there are no significant obstructions between the host controller and the buzzer buttons. Avoid using the system near strong electromagnetic interference.
8. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 1.26 x 0.97 x 0.39 inches |
| Item Weight | 4.8 pounds |
| Batteries | Host controller: (refer to product packaging); Buzzer buttons: Rechargeable via Type-C USB |
| Recommended Age | 4 years and up |
| Wireless Range | 50-80 meters (164-262 feet) |
| Max Buttons Supported | Up to 32 |
9. Warranty and Support
Retekess provides a 2-year warranty for the TM102 Game Show Buzzer System. Additionally, a 30-day no-reason return policy is offered.
Beyond the warranty period, maintenance services are available, with buyers responsible for corresponding costs. For any inquiries or support, please contact us on Amazon. We aim to respond within 12 hours.
For further assistance, please refer to the official Retekess store on Amazon: Retekess Store





