Specifications Encoding method:Rolling code Hign-concerned Chemical:None Model Number:GE-RCV1 Origin:Mainland China ProductDescription: 1.Supply voltage: supply voltage: DC/AC 12V or 24V 2.Output channels: 1/2/3/4 channels receivers are available 3.Capacity: Can pair up transmitters Max. 500 pcs 4. Relay work output impulse 5. Net weight: 80g , Gross weight: 100g 6. Application: Automatic doors, such as residential garage doors/roller shutters/swing gates and sliding gates 7. Conditions:The control unit of automatic device must have connectors for wall switches and 12V/24V power supply. The Receiver can be wired to the most available garage door motors as well as most driveway Gate motors that operate under 12V or 24V. It is simple to install and has a large receiving range of up to 50 meters from the remote control, also this receiver is capable of storing up to 500 remote control transmitters with a rolling code technology. The receiver will change the transmitting code each time it is used and with up to 1.2 Billion code combinations. It has to be one of the world's safest unit around for your security and your peace of mind! The wireless wall mount (two channel transmitter) and the handheld remotes (four channel) allow multiple units to be paired to the one control. Features: Tamper-proof Housing - The secure cast housing protect it from all forms of damage, including water leakage and rough contact. Weatherproof - Rated to IP54, making it virtually indestructible. Single Channel - Operate any Smart Openers garage door and gate opener or pair it with the Smart Receiver. Voltage: 12/24V (Compatible with 24V Operators). The packing list : 1*GE-RCV1 Receiver Instructions of standalone receiver GE-RCV1: 1) Wire connecting(2 core electric cables) a. Red wire to power 12~24V DC b.White wire to GND 2) Wire connecting(4 core electric cables) a.White wire to OPEN b. Red wire to CLOSE c. Blue wire to STOP d.Black wire to GND( or COM) 3) Transmitter learning a. Check wire connecting before switch on the power b. Press "LEARN BUTTON",LED light is on, and then it will enter to learning process. c. Press"1" button two times, then LED light flashing. The the learning process is successed. d. If "2" button is effective, red wire and black wire contact. e. If "4 "button is effective, blue wire and black wire contact. g. Button "3"is null. 4) Transmitter : rolling code, 433.92MHZ 5) Erase remote transmitter from the external receiver Press and hold the learn button until the indicator light turns off, then all transmitters will be removed from the external receiver. Service: -Contact us: 1.If you have any question, Please contact us.All message will be answered within 24 hours from Monday to Saturday. 2. Please contact us before leaving any negative or neutral feedback or opening disputes, we will work with you to solve any problems. Weappreciate 5-starpositivefeedback, It's good for our longterm business. We will also send the same feedback toyou. -Feedback : We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important!We requestthat youcontactusimmediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address yourconcerns. -Remote Area: For Remote area, DHL/Fedex/UPS/TNT will charge extra "Remote Area Fee".please understanding it. -CustomsTax: Customs Taxshould be paid by buyer, Seller can'tsupport any Customs Tax.