brand new and high quality Feature: Using 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. Compact and lightweight, easy to install, safe and reliable to use. You 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. Instructions: Learning method: After 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. Note: 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. Cleaning method: Continue to hold down the learning for key for about 8 seconds, the indicator lights from extinction to recovery, which indicating the cleaning is success. Connection mode: Connect 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. The 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. Specifications: Item Type: Receiver+Remote Control Material: Plastic+Metal Size: Receiver: 55x74x30mm/2.1x2.9x1.18in, Remote: 29x61x12mm/1.14x2.4x0.4in Color: As shown Frequency: 315Mhz, 433Mhz(Optional) Channels: 2 Voltage: DC12V-24V Receiving sensitivity: equal to and greater than -95dB Output mode: point lock, self lock and interlock Quantity: 1 Set Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 2 x Remote Control 1 x Receiver