SINGCALL E57
SINGCALL Wireless SOS Emergency Call System (Model E57) - Instruction Manual
Your guide to setting up, operating, and maintaining your SINGCALL Wireless SOS Emergency Call System.
1. Introduction
The SINGCALL Wireless SOS Emergency Call System is designed to provide a reliable and easy-to-use solution for individuals requiring assistance, such as the elderly, disabled, or patients. This system allows users to quickly alert caregivers or family members in emergency situations, ensuring timely help. This manual provides detailed instructions for the proper installation, operation, and maintenance of your device.
2. Product Overview
The SINGCALL Wireless SOS Emergency Call System consists of a portable call button (transmitter) and a receiver. The call button is designed for easy access and portability, while the receiver provides audible and visual alerts.

Image: Two SINGCALL wireless call buttons, ready for use.

Image: Compact size of the SINGCALL call button, measuring 2.2 inches (5.5 cm) in diameter.
3. Components
- Wireless Call Button (Transmitter)
- Receiver (Pager)
- Lanyard/Strap for Call Button
- CR2 Batteries (included)
- Mini Screwdriver (for battery replacement)
4. Setup
4.1 Battery Installation
The call button requires CR2 batteries. Follow these steps to install or replace the batteries:
- Locate the small screws on the back of the call button.
- Use the provided mini screwdriver to carefully remove the screws.
- Gently open the casing to reveal the battery compartment.
- Insert the CR2 batteries, ensuring correct polarity (+/-).
- Close the casing and secure it with the screws.
Image: Step-by-step battery installation for the call button.
4.2 App Setup and Pairing
The SINGCALL SOS button can be paired with a smartphone app for remote alerts. Follow these steps to set up the app and pair your device:
- Ensure your smartphone is connected to a 2.4GHz Wi-Fi network.
- Download and install the 'Tuya Smart' app from your app store.
- Open the app and create an account or log in.
- Press and hold the SOS button for 5 seconds until the indicator light flashes rapidly.
- In the Tuya Smart app, tap 'Add Device' or the '+' icon.
- The app should automatically detect the 'SOS Button'. If not, manually select 'SOS Button' from the device list.
- Follow the on-screen prompts to connect the device to your Wi-Fi network by entering your Wi-Fi password.
- Once connected, the device will appear in your app, and you will receive notifications when the SOS button is pressed.
Video: Demonstrates the process of pairing the SINGCALL SOS button with the Tuya Smart app, including pressing the button, app detection, and receiving alerts.
5. Operating Instructions
5.1 Using the Call Button
To send an emergency alert, simply press the large 'SOS' or 'CALL' button on the transmitter. The button will illuminate, and the receiver will activate its alert.

Image: An elderly person using the call button to request assistance.

Image: The system facilitates quick response from caregivers.
5.2 Receiving Alerts
When the call button is pressed, the receiver will emit an audible alert and flash. If paired with the app, your smartphone will also receive a push notification.
Video: Demonstrates receiving an SOS alert on a smartphone app after pressing the call button.
5.3 Adjusting Sound and Volume
The receiver typically has buttons to adjust the volume and select different chime melodies. Refer to the receiver unit for specific controls.

Image: Receiver unit with volume and chime selection buttons.
6. Features
6.1 IP55 Waterproof Rating
The transmitter (call button) is designed with an IP55 waterproof rating, making it suitable for use in various environments, including bathrooms or outdoors where it might be exposed to splashes.

Image: The call button is IP55 waterproof and operates in a wide temperature range.
6.2 Wireless Range
The system offers a wireless range of up to 150 meters (500 feet) in open areas, ensuring reliable communication throughout most homes and gardens.

Image: Illustration of the 150m (500ft) wireless range within a home environment.
6.3 Portability
The compact design and included lanyard allow the call button to be easily carried in a pocket, worn around the neck, or placed in accessible locations.
7. Maintenance
7.1 Cleaning
Wipe the devices with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
7.2 Battery Replacement
Refer to section 4.1 for detailed instructions on replacing the CR2 batteries in the call button.
8. Troubleshooting
- No Alert from Receiver: Check if the receiver is plugged in and powered on. Ensure the call button batteries are not depleted. Re-pair the call button with the receiver if necessary.
- Poor Wireless Range: Ensure there are no major obstacles (thick walls, metal objects) between the call button and the receiver. Relocate the receiver to a more central position.
- App Notifications Not Received: Verify the SOS button is correctly paired with the Tuya Smart app and connected to Wi-Fi. Check app notification settings on your smartphone.
9. Specifications
| Attribute | Value |
|---|---|
| Brand | SINGCALL |
| Model Number | E57 |
| Manufacturer | EASTWAY INTERNATIONAL (HK) LIMITED |
| Batteries | 2 CR2 batteries (included) |
| Battery Type | Manganese Dioxide Lithium |
| Waterproof Rating | IP55 (Transmitter) |
| Wireless Range | Up to 150m (without obstacles) |
| UPC | 702563609910 |
10. Warranty and Support
This product comes with a 1-year quality guarantee, excluding the battery. For technical support or warranty claims, please contact your retailer or the manufacturer directly.
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