Products
Contact Us
- Contact Person : Mr. Lee Tony
- Company Name : Shenzhen Qiaohua Industries Limited
- Tel : 86-755- 3321 0562
- Fax : 86-755-3321 0560
- Address : Guangdong,Shenzhen,Qiaohua Industrial Zone, Luo Tian Forestry Center, Song Gang,BaoAn,ShenZhen,China.
- Country/Region : China
- Zip : 518104
QH-831A
Product Detailed
Related Categories:Other Electrical Equipment
Related Product Searches:QH-831A,High Quality,Auto-learning Code,QH-831A
Wireless Door Chime QH-831A
*Special surface finishing,black of white color available
*Easy to install,wire free,battery opera
Related Product Searches:QH-831A,High Quality,Auto-learning Code,QH-831A
*FCC,CE and RoHS compliant*Transmitter/bell push IP44 waterproof*1 million sets of auto-learning codes to avoid interference*Energy saving,transmitter battery can be used for over 15 months,and receiver batteries for atleast 6months*Music volume adjustable;flash,ring,or flash+ring for function option
| Model No. | QH-831A |
| Frequency | 315MHz±0.5MHz433MHz±0.5MHz |
| Active pressure wave(receiver) | ≤-57dbm |
| Negative pressure wave(transmitter) | ≤-36dbm |
| Power supply(receiver) | 2X1.5V AA |
| Power supply(transmitter) | CR2032 3V CELL BATTERY/1X12V 23A ALKALINE BATTERY |
| Quiescent current | ≤200uA |
| Transmit power | <10mW |
| Operating range | 80 METERS(OPEN AREA) |
| Sound options | 36 PolyphonicMelodies |
QH-831A
Other products
