Single Beam Infrared Radiation Sensor-external Positioning Alarm Detector. Features: Anti-glare Up to 50000 LUX Built-in Automatic Adjustment Strong Light Filtering System to Avoid Prolonged Exposure to the Sun to Avoid Strong Light or Car Lighting. All-weather Integrated Structure with Full Sealing Rainproof Dustproof Etc. Allows You to Work in Harsh Environment. The Detector Will Automatically Increase Sensitivity when Exposed to Heavy Fog or Bad Weather (AGC Circuit). High Power Transmitting Device Photo Protection Up to 90% Powerful Infrared Receiving Tube Low Power Processing Technology Lightning Protection Circuit. The Adjustable Beam Occlusion Cycle Makes It More Flexible and Adaptable. Specifications: Black Color Material: Plastic Size: As Photo Outside Warning Distance: 10m Indoor Warning Distance: 20m Induction Speed: 30ms Contact Capacity: AV / 30V / 0.5mA Working Voltage: 12-24V Package Includes: (1 PC.);??External Positioning Alarm Detector . We are an international based seller that will ship your order from abroad please at least a minimum 14 working days for delivery right now due to the ongoing delays in shipments globally.