Check the listing for details. SINGCALL Emergency Caregiver Pager Blue SOS Calling Button Using Tuya WiFi. Color: Blue, Condition: New. Listed at 26.99 USD. SINGCALL Tuya WiFi Smart SOS Emergency Caregiver Blue Button Function Features Description 1. How to work:Introduction This Tuya SOS button,adopts WiFi connection, remote monitored by APP, which can detect trigger signals from the button accurately and clearly. Suitable for villas, leisure centers, hotels, offices, houses, etc. Wireless caregiver pager system, adopts advanced wireless transceiver technology, strong microcomputer control system and high-quality voice processing technology with stable and reliable performance. Receivers and transmitters are paired wirelessly by code. The caregiver pager can be applied to villa, Nursing Home, hospital, etc.WE57: Waterproof.This WiFi emergency alarm device can be connected to phone to realize remote push, take care of young and old at home anytime, anywhere. When encountering danger, the elderly can push the SOS Transmitter and the signal will be send to the phone.Stable registration, long-distance transmit, no messy code;The super big attractive button make the calling more convenient for patient/elderly/resident/handicapped/sick who are seeking help at home. Get the attention of others without yelling.The SOS call button is easy to carry that can be put in the pocket, hung around the neck, taped to the wall,ect. 2. Main characteristics: Intelligent controlWIFI wireless connectionlt can configure the corresponding receiving host via RF wireless transmission (lt will send the wireless signal to the pairing host, when triggering happens.)The button provides instant feedback of operations to App via networkTechnical parametersSize:2.2*2.2 in / 5.5*5.5cmWorking voltage: 3.6V(LIR2450 rechargeable battery)WIFI frequency: 2.4GHStandby current: