Product Overview
The SINGCALL Wireless Calling System is designed to streamline service requests in various environments such as restaurants, cafes, hospitals, and offices. This system includes a waterproof mobile watch receiver and multiple call buttons, enabling efficient communication between customers/patients and staff.
The system simplifies service by allowing users to press a call button, which then transmits a signal to the watch receiver, displaying the corresponding call number. This ensures prompt and quality service delivery.

An overview of the SINGCALL Wireless Calling System, featuring the mobile watch receiver and several call buttons.
Components
Mobile Watch Receiver (Model: APE6900)
- Waterproof design, capable of functioning after submersion up to 3.3ft (1.0m) for over 30 minutes.
- Features calendar, clock, and alarm clock functions.
- Rechargeable battery with approximately 5 days of standby time.
- Fast delete function for individual or all registered numbers.
- Supports downloading registration information via software for easier setup.
- Encryption function to prevent accidental data loss.
- OLED screen for a thinner, lighter, and more durable display.

A close-up view of the SINGCALL mobile watch receiver, highlighting its sleek design and digital display.

The mobile watch receiver shown with its charging clip, illustrating the charging mechanism.
Call Button (Model: APE700)
- Diffusion color dream light indicator.
- High sensitivity launch with superior touch buttons.
- Resistant to temperature and humidity changes, ensuring security, stability, and reliability.

A detailed view of a SINGCALL call button, showing its 'Call' label and circular design.

The rear view of a SINGCALL call button, displaying model and certification information.
Setup Instructions
Charging the Mobile Watch Receiver
- Connect the charging clip to the watch receiver's charging contacts.
- Plug the USB end of the charging cable into a compatible USB power adapter or computer USB port.
- Allow the watch to charge fully before first use. The battery indicator on the screen will show charging status.

The mobile watch receiver connected to its USB charging clip, ready for power.
Registering Call Buttons to the Watch Receiver
The watch receiver and call buttons need to be paired for the system to function correctly. Refer to the detailed pairing instructions in the full user manual (PDF link provided below).
For detailed pairing instructions, please refer to the official User Manual (PDF).
Operating the System
Making a Call
- To request service, simply press the "Call" button on the desired call unit.
- The call signal will be transmitted wirelessly to the mobile watch receiver.

A customer pressing a SINGCALL call button placed on a table to request service.
Receiving a Call
- When a call button is pressed, the mobile watch receiver will vibrate and/or display the corresponding call number on its OLED screen.
- The watch receiver can display multiple call numbers and has a fast delete function to clear completed requests.

The SINGCALL mobile watch receiver displaying the current time and date, ready to receive calls.
This video demonstrates the functionality of the SINGCALL APE6900 watch receiver in conjunction with single-key call buttons, showing how calls are received and displayed.
This video illustrates the SINGCALL Restaurant Pager System in action, demonstrating how waiters receive calls from customers using the watch receiver.
Maintenance
Cleaning
Wipe the watch receiver and call buttons with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
Battery Replacement (Call Button)
The call buttons use replaceable batteries. Follow these steps to replace them:
- Insert the key (provided with the system) into the keyhole of the call button's base. Insert only half of the key.
- Hold the key tightly with your right hand and press the base. Rotate the pager clockwise with your left hand to detach it.
- Unscrew the screws on the base and replace the old batteries with new ones of the same type.
- Reassemble the call button by aligning the base and rotating counter-clockwise until secure.

A visual guide demonstrating the three steps for replacing the battery in a SINGCALL call button, including inserting the key, detaching the base, and accessing the battery compartment.
Water Resistance
The mobile watch receiver is waterproof and can be submerged. The call buttons are also designed to be waterproof. Ensure all components are dry before charging or storing for extended periods.

The SINGCALL mobile watch receiver submerged in water, demonstrating its waterproof capability.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Watch receiver not displaying calls. | Call button out of range, low battery on call button/watch, or not paired. | Ensure call button is within range (up to 1600 feet outdoors, 130-200 feet indoors). Check and replace call button battery. Recharge watch receiver. Re-pair the call button with the watch receiver. |
| Watch receiver not turning on. | Battery is completely drained. | Connect the watch receiver to the charger and allow it to charge for at least 30 minutes before attempting to turn it on again. |
| Call button not responding. | Low battery or button malfunction. | Replace the battery in the call button. If the issue persists, contact customer support. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | 6900 700RW 1-5 |
| Control Method | Touch |
| Maximum Range (Outdoor) | Up to 1600 Feet (approx. 500m) |
| Maximum Range (Indoor) | Up to 130-200 Feet (approx. 40-60m) |
| Item Weight | 10.9 ounces |
| Product Dimensions | 6.69 x 6.69 x 2.76 inches |
| Material Type | ABS |
| Power Source | Battery Powered (Lithium Metal, Lithium-Ion) |
| Voltage | 3.7 Volts |
| Waterproof (Watch) | Submersible up to 3.3ft (1.0m) for 30+ minutes |
Warranty and Support
For warranty information and technical support, please visit the official SINGCALL website or contact their customer service directly. Keep your purchase receipt for any warranty claims.
Official User Manual (PDF): Download Here
SINGCALL Store: Visit the SINGCALL Store on Amazon





