[Easy to Install & Waterproof] Just find a place where the solar panel can absorb enough sunlight and fix the light on it with the provided screws, no wire required, then you can use it. Besides, the solar strobe light features IP65 waterproof design, it can be used in any outdoor environment, suitable for all weather. [4 Modes Function] Each motion alarm sensor has its own remote control. You can adjust the modes by pressing "A", "B", "C", "D" on the remote control. A: 24 hours with flash and alarm B: 24 hours with flash but without alarm C: 12 hours with flash and alarm (night mode) D: 12 hours with flash but without alarm (night mode).[Sensitive Motion Sensor]The detection angle of the solar alarm motion detector is 125, it can detect any movement within 5-8 meters and activate the alarm sound light. The siren sound is 129dB and the strobe light has 8 LED lights, can be heard 200m away and get rid of animals and thieves by putting out a mixture of alarm sounds and powerful LED strobe lights. (The distance will be affected by obstacles and interference signals).[2 in 1 Charging Modes] The strobe alarm lights are powered by solar energy and DC charging. It takes 10 hours to fully charge by solar energy; it only takes 1-2 hours to charge by DC charging (DC5V * 1A). 120 days of standby time, daily charging for 1 hour can continue working 24 hours a day. [Wide Application] The solar alarm light is suitable for houses, farms, villas, hotels, markets, barns, garages, yards, orchards, Christmas outings and other places that require security alarm.