Walrusled 4FT Motion Sensor LED Tri Proof Emergency Batten Light, Power Selectable 20W/40W 2500lm/5000lm, Battery Backup, 5000K, IP65, IK10, Dimmable 4 Foot LED Waterproof Vapor Tight Linear Light Fixture, 120CM Flush Mount Led Vapor Proof Ceiling Light

💡 【TRI-LEVEL MICROWAVE SENSOR & REMOTE SETTING】 Walrusled 48 Inch led stairwell tri proof batten light fixture comes with intelligent sensor & remote controller. Tri-level microwave sensor allows the fixture to dim or turn off after a period of time when no motion is detected. Twilight brightness can be choosen 20%, 40%, 60% or 100%. Hold time can be choosen 30S-∞. The microwave sensor can detect motion distance within a maximum of 33 feet. You can adjust its sensing range, hold time, stand-by brightness percentage and stand-by time according to your preference. 💡 【POWER SELECTABLE & BUILT-IN BATTERY BACKUP】 Walrusled 4 foot led car wash linear vapor tight batten light fixture features with 2 wattages (20W / 40W) and 2 brightness levels (2500lm / 5000lm). The 20W setting will offer 2500 lumens, 40W will offers 5000 lumens. Different lumens meet different usage scenarios. Backup battery can last over 300 minutes with LiFePO4 battery 6.4V/3000mAh, 16 to 24 hours charging time