1. Shell material: ABS
2. The signal is stable
3. Silver foil can be waterproof
4. Wireless distance: 0-100 meters
5. Vibrate, beep, flash prompt
6. Battery specification: 200mA lithium battery
7. Independent coding, multiple use at the same time, no garbled code, no interference
8. Unit weight: 1.8kg
9. Dimensions: 105x105x15mm
