Features 1、One key control sound and light alarm, convenient remote control. The sound and light alarm adopts a large volume horn, which emits a high decibel alarm sound when alarming, and informs the alarm in time. 2、Intelligent recognition will not detect an alarm in the sensing area when it is triggered all the time. Automatic charging during the day, automatic sensing at night. 3、The detection is super wide, clear at a glance, and the effective detection is 110° wide angle, and it can be detected in the space of 12 meters ahead. 4、Small size and large use, no wiring, any installation and use, widely used in outdoor places such as villas and courtyards, construction areas, high‑voltage dangerous areas, etc. 5、Two control methods, one remote control can control multiple alarms at the same time. An alarm can be controlled by 30 remote controllers at the same time. Specifications Item Type: Solar Alarm Weight: Approx. 237g / 8.4oz Quiescent Current: ≤500μА Solar Panel: 5Vx0.6W polysilicon Charging Method: Solar charging Alarm Sound: ≤120dB Charging Time: 6-8 hours Sensing Angle: 110° Sensing Distance: 9-12 meters (affected by the environment) Product Battery: 3.7V polymer lithium battery 600mAH (included) Remote Control Battery: a CR2025 button battery 150mah (included) Operating Mode: 1. 24 hours sound and light alarm mode 2. Sound and light alarm mode at night 3. Flashing and silent alarm mode at night 4· Learning remote control 5· Remove the remote control 6. Shut down Package List 1 x Alarm 2 x Screw 2 x Expansion Tube 1 x Manual 1 x Remote Control