wireless 433mhz SOS button

Bl-02 button is mainly used in places that need urgent help. It is novel in style, noble and elegant, easy to carry and easy to use. It is especially suitable for the elderly. I:introduction of products Bl-02 button is mainly used in places that need urgent help. It is novel in style, noble and elegant, easy to carry and easy to use. It is especially suitable for the elderly. II: Product features 1. Easy to carry and use; 2. The key is delayed to avoid false alarm; 3. Low power consumption and long battery life. III: Technical parameters 1. Working voltage: DC3V; 2. Working current: 13mA; 3. Working frequency: 433.92mhz /315MHZ(optional); 4. Frequency deviation: 0.2mhz; 5. Transmission power: 10mW; 6. Launching distance: 100m(open); 7. Coding chip: EV1527; 8. Modulation mode: ASK; 9, working temperature: 25 ℃ ~ + 75 ℃. size :7.8×4.5×3cm IV:Typical applications of the elderly caller: The elderly caller machine is suitable for places such as nursing home, hospital, sanitarium, as well as the family use. V. main products: Wireless remote control, wireless emergency caller, wireless door magnet, infrared detector, smoke detector, gas alarm, security alarm, WIFI alarm host, etc.

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