| Model | DHI-ARD311-W | ||||
|---|---|---|---|---|---|
| Name | Wireless door sensor | ||||
| Motion distance | 25-40mm | ||||
| Alarm prompt | Red led, can be set to switch off | ||||
| Wireless Frequency | 433MHz | ||||
| Transmit Power | 10dBm | ||||
| Transmit Distance | 800m（open area/no interference） | ||||
| Tamper | Front cover and rear cover protection | ||||
| Installation Way | Screw and glue | ||||
| Dimensions | 84*39*22mm（L*W*H） | ||||
| Weight | 0.1kg | ||||
| Temperature | -10℃～50℃ | ||||
| Humidity | < 95% | ||||
