Feature:1. Higher Security: The alarm allows for no power wire and wireless signal installation and operation. It can match with five remote controls. When connected to the alarm control panel, it can be used as an alarm, and when connected to a compatible wireless accessory, it can be used as a local alarm host.2. Reliable in Use: With infrared sensing mode and ultra low power chip design, it has ultra long standby, strong anti interference, anti false alarm, accurate sensing, anti disassembly alarm, wireless coding learning, and adding new accessories is convenient, fast, safe and efficient.3. Light and Sound: The sound can get up to 100 decibels, with high frequency flashing. When the alarm goes off, the sound and light are integrated and linked to alarm.4. Dual Power Supply: Outdoor solar power supply, built in rechargeable large capacity lithium battery, static standby for 12 hours in case of power failure, or external 5V charging or working power supply.5. Wider Application: Allows for wide application on villas, communities, shops, factories, schools, banks and so on.Specification:Item Type: Solar AlarmMaterial: ABSExternal Power Input: DC5V 1ASolar Panel Output: 5.0VStandby Current: <1mAAlarm Current: <150mASound Level:>100dBWireless Receiving Range: >100m / 328.08ft(approx.), in open ground. Wireless Frequency: 433MHzWaterproof: IP65Wireless Coding: Supporting EV1527/2262Backup Battery: 3.7V 1000mA lithium battery 653048, shipped with built in battery. Working Temperature: -20℃ - 55℃Working Humidity: 40% - 80%, non condensing. Outline Size: Approx. 164.3 x 124.3 x 59mm / 6.47 x 4.89 x 2.32in.Package List:1 xSolar Alarm4 x Screw4 x Wall Plug1 x Bracket1 x User ManualNote:1. It is recommended to install the alarm in the physical center of your room or place to get the best reception from the screened wireless detector. 2. Screw the mounting plate into the wall with the attached screws and anchors, and pre position the ear. Connect the alarm to the mounting plate by aligning and pulling it down.