Features 1One 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. 2Intelligent 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. 3The 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. 4Small size and large use no wiring any installation and use widely used in outdoor places such as villas and courtyards construction areas highvoltage dangerous areas etc. 5Two 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. Specification Item Type: Solar AlarmWeight: Approx. 237g / 8.4ozQuiescent Current: 500Solar Panel: 5Vx0.6W polysiliconCharging Method: Solar chargingAlarm Sound: 120dBCharging Time: 6-8 hoursSensing Angle: 110Sensing 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 mode2. Sound and light alarm mode at night3. Flashing and silent alarm mode at night4 Learning remote control5 Remove the remote control6. Shut down Package List 1 x Alarm2 x Screw2 x Expansion Tube1 x Manual1 x Remote Control