Solar panel: 5V*80mAh made of polysilicon. Battery: 3.7V*400mAh polymer battery. Light source: 6 red flashing lights. Switch modes: Mode 1: 24-hour siren sound with flashing; Mode 2: 24-hour flashing only; Mode 3: night siren sound with flashing; Mode 4: night flashing only. Charging options: solar energy charging or DC charging. Charging duration: solar energy takes more than 6-8 hours, while DC takes less than 1 hour. Operating time: motion detection lasts for 45 seconds up to 300 times, with a standby duration of 50 days. Movement range: at least 5-8 meters. Sound level: 129 decibels (audible from 200-300 meters in an open space).