Description: brand new and high quality. Feature: Wireless control, easy to install and operate. High confidentiality, large storage capacity, stable performance and low power consumption. Each receiving controller can store multiple remote controller. The wireless signal can pass through walls, floors and doors. Application Areas: Remote control garage door/house door/Lamp/curtains/Fun and other remote control device. Specifications: Item Type: Receiver+Transmitter Working Voltage: DC12V Operating frequency: 433MHz Button: 4 buttons Max Load: 2200W Max current: 10A Quiescent Current:5mA Receiving Sensitivity: -104dBm Function option: Momentary/Toggle/Latched Modulation Mode: ASK Matching Mode: Intelligent Learning code Output Mode: Dry contact/Voltage output Material: ABS+Metal Size: Receiver: 75x54x28mm/2.9x2.1x1.1in Color: White+Black Optional Type: 1 x remote control, 2 x remote control, 3 x remote control, 4 x remote control Quantity: 1 Set Note: Transition: 1cm=10mm=0.39inch Please allow 1-3mm 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: 1 x Receiver Module 1 x Protective for Shell 1/2/3/4 x Remote Control(Optional)