Solar Human body sensor:This outdoor motion sensor boasts a 110 sensing angle. Dual Charging Options:This versatile sensor supports both USB and solar power. USB charging is ideal for indoor setups, taking about 8 hours, while the solar option is perfect for outdoor use, requiring 24 hours in sunlight. Features a built-in 1000 mAh battery with up to 100 days of standby time. Choose from three operational modes: 24-hour continuous alarm, daytime alarm with silent nights, or nighttime alarm with silent days. Easily switch between modes with a single button, effectively reducing false alarms and enhancing security. Powerful 120dB Alarm:The alarm's 120dB sound level can be a critical tool in emergencies, drawing attention and providing strong deterrence against potential security breaches. Simple Installation Process:Installation is straightforward with the included screw-in swivel bracket,Position the bracket as needed and mount the alarm unit effortlessly. Power Supply Mode: Solar charging/USB charging/Battery powered Alarm Sound: 120dB Detection Angle: 110 Battery Parameters: 1000mAh polymer lithium battery Remote Control Distance: less than equal 10m (distance affected by obstruction and interference signal) Colour:red Material:plastic Package Contents: 1 x solar alarm 1 x USB data cable 1 x remote control (There are slight differences in button styles between batches) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.