[Perfect Solution]Sensitive motion sensor detect any movement within 5-8 meters and activate sound and light alarm, sound appears and strobe light on. [Alarm sound can be changed] The upgraded solar sound and light alarm is equipped with a remote control and a built-in microphone, which can record your desired alarm sound. You can also adjust the siren volume [Choose your working mode]Mode B: 24 hours siren and flashing alarm; Mode C: night siren and flashing alarm; Mode A: cycle flashing and alarm sound every 5 minutes at night (automatic). [Save time and money]Powerful solar panels valuable time and money. It automatically charge your battery even on days when the sun isn't enough, saving you the need for power and the need to constantly recharge your battery (or buy a new one). Can be with an adapter, suitable for places where power is difficult, Weight: 0.81130112416 pounds, Manufacturer: Aisuoka