1. Make sound and light, tampering alarm, solar energy 4. IPX5 waterproof, installed outdoors and used in rainy days. 5. Polysilicon Solar Panel, High Efficiency Photoelectric Conversion 3. Tamper alarm, safer, tamper-proof device built into the back 2. 3 alarm tones, alarm time from 1 to 60 minutes Description: 1. Support alarm duration setting. 2. Support tamper alarm. 3. Low power consumption, more than 20 days standby. 4. with battery, Weight: 1.322773572 Pounds, Manufacturer: Rtxbvg