315/433Mhz Wireless SOS button wireless SOS call button wireless doorbell button anti-theft alarm accessories

Product Description

**5/**3Mhz Wireless SOS wireless SOS call wireless doorbell anti-theft alarm accessories
Note: our product "elderlycaller "" emergency "" doorbell " can not be used alone, it needs to be used together with alarm host.
I：introduction of products
Bl**2 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: *3mA;
3. Working frequency: **3.*2mhz /**5MHZ(optional);
4. Frequency deviation: 0.2mhz;
5. Transmission power: *0mW;
6. Launching distance: **0m(open);
7. Coding chip: EV***7;
8. Modulation mode: ASK;
9, working temperature: *5℃ ~ + *5℃.
size：7.8×4.5×3cm
IV：Typical applications of theelderlycaller:
Theelderlycaller 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