... automatically 2) Work well in very high or very low temperature Features: 1. This led sensor light is a microwave sensor ... ) Non-contact detection (2) Suitable for bad environment, immune to temperature, humidity, noise, air, dust, light… (3) RF interference ability 4 ... . 5. The built-in microwave sensor switch can penetrate plastic, glass, wood.LED sensor light specifications: 1) Power source: 220-240V ...