1. Wireless signal effective distance: 200 meters (open distance)
2. Install 3 x AAA batteries (not including batteries) in the sensor head and pull out the antenna
3. After the power is turned on, the product will have a buffer startup time of about 15 seconds before it can be used normally
4. Dial the function key to the "I" file, the sensor head will not sound but the receiver will sound, the "II" file is the sensor head is turned off, and the "III" file has no effect.
5. When someone moves within the effective range of the sensor head, the sensor sends a wireless signal to the receiver
6. The receiver is powered by 3 AA batteries (without batteries)
7. Product material: ABS
8. Induction head size: 9x6.5x7cm
9. Receiver size: 9x6x2cm
