1) · Suitable for homes, office installed in or outdoors buildings and ships etc.
2) · 25 sounds selectable at either transmitter or receiver
3) · Transmitter uses 1x12V 23A battery (supplied)
4) · 100m operating range
5) · Easy to install
6) · No electrical wires to install
7) · Suitable for Hard of Hearing with Strobe feature
8) · Low power consumption
9) . CE certificate
Sample time:3-5 days
*Although line of site is not required, the maximum range is based on optimal conditions with minimal interference. Wireless range is affected by objects such as walls, trees, etc. Actual range may vary, depending on environment.
Model No. | D3971 |
Frequency | 315MHz±0.5MHz |
Active pressure wave(receiver) | ≤-57dbm |
Negative pressure wave(button) | ≤-36dbm |
Power supply(receiver) | 2×1.5V AAA |
Power supply(button) | 1*12V 23A |
Working power consumption | ≤5W |
Transmit power | <10mW |
Operating range | UP to 100 meters(OPEN AREA) |
Sound options | 25 melodies option |
