Gently Reminder: 1.The 850nm infrared light of illuminator, after power it on if you look straightly at the lens of ir illuminator, you could see the dark red glow on each ring of lens, but YOU could NOT SEE any light emitting from it 2.To protect the IR illuminator,please install it under the eave to avoid direct sun exposure and raining 3.Camera and Illuminator should be installed to the same horizontal and vertical direction 4.For after service and technical support, please mail us [email protected]. We are ready to help you 5.JCHENG IR Illuminator, when the view angle of lens of illuminator is wider, the IR distance will be shorter. Moreover, the practical IR distance and view angle would be finally influenced by the focal length of lens of your camera. Please carefully read our specification chart before buy Technical Data: Infrared Leds: build in 4 pieces of high power IR Array LEDs Field View: 60-80 degrees Power Consumption: 4W Infrared Distance: 65feet (15-20 meters) Type of Infrared Light:850 nm wavelength Housing Color: Black Dimensions: in inch (L / W/ H):2.36*2.36*2.76; in cm (L / W/ H)6*6*7 Main Cable Length: 19.7inches/50cm Working Type of Photocell Sensor: Auto (turn on automatically when the light is lower than 10lux) Protection Class (waterproof and dust proof): IP65 Gross Weight: 230g; Net Weight:178g Working temperature: - 20 degrees c to + 50 degrees c Housing Material: fine aluminum and reinforced glass Adapter / Transformer: input ac 100 - 240V, 50 / 60hz; outcome: dc12V, 1A; the power supply plug size: 5.5 x 2.1 mm, female (adapter / transformer is included) Package Content: 1 x 4-Led IR Emitter1 x 12V 1A Power Adapter