








| Wireless Door/Window Sensor | ||
| Outstanding Function | Door/Window inspection | ![]() |
| Anti-Tamper Function | A tamper button on the back of door sensor | |
| Wireless Frequency | 433MHz | |
| Power Supply | CR2450 3V (not included by default) | |
| Transmission Distance | About 23m with one barrier | |
| Internal Distance | 20-25mm | |
| Transmission Current | 8-12mA | |
| Static Current | 1-5uA | |
| Working Temperature | 15°C~35°C | |
| Humidity | 45%-75% rh | |
| Battery Lifespan | About 6 -12 months | |

| Estimated Delivery Time(Subject to Stock Availability) | ||
| USA (excl. Alaska, Hawaii, Puerto Rico) | USPS First-Class Package/ UPS SurePost/ UPS Ground | 3-7 business days |
| Other Countries (May depart from other stock location) | International Airmail Service | 12-21 business days |