Swing/ Sliding Gate | Infrared Photocell Sensor | Up to 20MExclusive for automated gate hardware, these infrared sensors are the ones to go for keeping your automated gate safe. Have the peace of mind knowing your family and vehicle will be protected from the occasional mishap that can happen sometimes. By placing these sensors between your automatic gate, you can ensure that your automatic gate will not be closing accidentally on a vehicle or more important, a person. KIND TIPS: Lockmaster products may come under a different brand name "UL Tech”, but this is still the same product.Features:Hard frosted photocellDesign for any rough weatherInfrared technologyDetection range up to 20MAutomatic beam for detectionSpecifications:Technology: Infrared (Photocell)Receiver range: ≤20m. Range can be reduced to 30% in bad weather conditions.Frequency: 1.92KhzPower supply: 12-24 DC/ACWave length: 940mmInput: RX 15mA-TX 30mA, Angle: <± 10°Working temperature: -20℃ - +70℃Relay output: 1A max 30VProduct weight: 0.2kgProduct dimension: 7.5 x 4.9 x 3cmAssembly Required: YesPlease note: This item comes in 1 packagePackage Content:Infrared photocell x2User Manual x1