Detachable Battery Outdoor Waterproof Human Sensor Dimming Function Flash Emission High Brightness 1200 Lumens LED-RC830 Reusable and economical Detachable battery Brightness 100% ↔ 50% lighting switching Flash emission mode Bulb: 5W x 2 (High brightness white LED design life 40,000 hours) Luminous flux: 800 lumens Power supply: Rechargeable battery... Lithium-ion battery 3.6V 5400mAh Battery life: Brightness 100% lighting: Approximately 75 days Brightness 50% lighting: Approximately 120 days *10 times lighting per day *Varies depending on the usage environment Charging time: 8 hours Charging life: Charge/discharge cycle 300 times Sensor: Detection method... Collection type infrared sensor Detection range... Maximum 140° farthest 8m *Installation height 2.0m Lighting time setting: 10 seconds (100% / 50% / flash) Lighting switching function: Day... Lights up regardless of whether the surroundings are bright or dark Night... Lights up only when the surroundings are dark OFF... Power off Installation location: Indoor/outdoor use (Protection class IP44) Although it has never been installed outdoors, there are some inconspicuous scratches.