The twin head motion sensor security light has 5 LEDs per head and gives a 160 lumen illumination. Each head has 180-degree rotation to focus light wherever it is needed. The light detects motion up to 5m away and will illuminate for 40 seconds. To save power the light will only illuminate in low light. The unit has 2 key slots in the base for easy installation and is powered by 4 AA batteries (Not Supplied). Manufactured from ABS plastic. mysmartbuy Battery Powered Twin Head Motion Sensor Security Light - 160 Lumen Rotatable Outdoor Wall Lamp with 10 LEDs & 5m Detection Range in Black