Description:100% brand new and high quality.With high levels of anti-RFI / EMI capabilityMade of high quality plastic shell, eco-friendly, durable and sturdy to use.Create a reliable and invisible infrared beam up to 20 meters.Sealed design to anti-rain (fog), dust (worms) and other integrated weather, the detector sensitivity will increase automatically(AGC circuit)High-power transmitter, sensitivity surplus degree up to 90%Adjustable of beam interdiction period, to make it more flexible and adaptableSpecification:Model: ABO-20SColor: BlackShell Material: PlasticReceiver Range : Less than 20mInfra-red Frequency: 1.92KHZWavelength: 940nmInduction speed: 30msVoltage: DC 12V-24VInput: RX 15mA-TX 30mAOperating Temperature:-25 to 55Relay Output: 1A max 36VSize (L x W x T): Approx. 76 X 49.2 X 21.6mm / 3 x 1.9 x 0.9inchPackage Included:1 x Transmitter1 x Receiver1 x Set of Accessories1 x User ManualNote:1. Due to the light and screen difference, the item& 039;s color may be slightly different from the pictures.2. Please allow 1-3cm differences due to manual measurement.