315/433Mhz 2PCS Two Keys Remote Controller Receiver for Curtain DC12V-24V 2 Channel Relay Wireless Remote Control Switch Multicolor

["Description:\nbrand new and high quality\nFeature:\nUsing Intelligent microprocessor control, which can be applied to garage door control, light control, remote control curtain, access control system and all kinds of motor control systems.\nCompact and lightweight, easy to install, safe and reliable to use.\nYou can turn on/off the receiver with transmitter (remote control) from any place within a reliable distance; the wireless RF signal can pass through walls, floors and doors.\n\nInstructions:\nLearning method:\nAfter the controller is powered on, the indicator lamp is for always in light state, then press the learning button for 2~3 seconds, the indicator lights automatically goes off, release the learning button, press any for key of the remote control, and the indicator flash 4 times, indicating the success of learning.\nNote: The controller can learn fixed code, learning code and other 16 different encoding, any for key remote control, If you go beyond, you'll remove the earliest learning remote controller in turn.\nCleaning method:\nContinue to hold down the learning for key for about 8 seconds, the indicator lights from extinction to recovery, which indicating the cleaning is success.\nConnection mode:\nConnect 12V/24v for DC output: The input terminal of 12V/24V two way remote control switch is connected with a for DC power supply of 12V/24V, and the common end of the output terminal is connected to the positive side of 12V/24V.\nThe positive side of the bulb is connected to the beginning of the output terminal, and the negative electrode of the bulb is connected to the negative electrode of the power supply.\n\nSpecifications:\nItem Type: Receiver+Remote Control\nMaterial: Plastic+Metal\nSize: Receiver: 55x74x30mm/2.1x2.9x1.18in, Remote: 29x61x12mm/1.14x2.4x0.4in\nColor: As shown\nFrequency: 315Mhz, 433Mhz(Optional)\nChannels: 2\nVoltage: DC12V-24V\nReceiving sensitivity: equal to and greater than -95dB\nOutput mode: point lock, self lock and interlock\nQuantity: 1 Set\n\nNote:\nNo retail package.\nTransition: 1cm=10mm=0.39inch\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Includes:\n2 x Remote Control\n1 x Receiver"]