Check the listing for details. 2PCS 11 Key Controller Inline Dimmer With RF Wireless Remote for LED Strip Light. Condition: New. Listed at 8.09 USD. {Features: - High quality and Brand new . - Use it for LED decoration light, when you put the light above the high place , You can use the mini controller to control the mode of the light. - DC adapter connect to the light , safety and useful. -Remote controller power by 3V CR2025 battery ,Environmental protection and low consumption. (Note :The battery is not included. ) -Make your life become easy and convenience. Specifications: -Type: Mini Dimmer RF Wireless Remote Controller (use 3V CR 2025 battery,but not included ) -Voltage: 5V -24V -Output Current: 12A -Working Temperature: -20°C-60°C -Remote controller dimension: about 85mm x 40mm x 6mm - LED controller cable length: about 230mm - ON/STANDBY: to turn on or switch to standby mode - LIGHT: switch to static lighting mode from dynamic mode -25% / 50% / 100% : switch to 100%, 50%, 25% brightness lighting mode - MODE+ / MODE- : switch to dynamic mode from static lighting mode, or switch between dynamic modes. - SPEED+ /SPEED- : adjust dynamic mode lighting speed. - BRIGHT+ / BRIGHT- : adjust lighting mode brightness.-Remote distance : < 5M at open area Package included : 1×RF Remote. ( battery is not included) 1×LED Mini Controller cable 1×User operation guide. }