Features:Digital intelligent identification to prevent false positives and missed positives.Solar charging is fast and can be installed and used immediately.This product is waterproof and sunscreen, suitable for outdoor use.The alarm uses a large volume horn to give a high decibel sound when giving an alarm, so as to give an alarm in for time.With low power consumption design, it can last 60 days without power supply protect your safety. Specifications:Size: 25x15x15 for Cm/9.84x5.90x5.90 InchesCharging Method:Solar Energy Note:Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes:1x Alarm+1x Remote