1、DC 12V‑24V: Please check whether your power supply is a DC power supply before purchasing (this dimmer switch is only suitable for DC power supply, not for AC power supply). 2、Led Dimmer: Experience the upgraded LED dimmer equipped with 0%‑100% stepless dimming, easy adjustment of brightness through touch remote control to meet different preferences and needs. 3、Memory Function: The LED dimmer switch has a memory function so that it retains the last dimming level after switching on via the wall switch. No need to readjust every time you turn your lights on. 4、Wireless RF Remote Control: The LED string lights dimmer comes with a RF remote control, which supports up to 65FT long range control with strong and stable signal transmission. 5、Package Content: Includes 1 dimmer switch, 1 wireless RF remote control. To ensure the functionality of the remote control, please note that 3xAAA batteries are required and are not included in the package. Item Type: Dimmer Switch Material: Iron, ABS Weight: Approx. 234.00g / 8.25oz Voltage: DC12 24V Current Load: 6Ax3CH Output Channels: 3CH Output Power: 216W or 432W (DC12V or DC24V) Control Distance: >20m / 65.6ft Battery: 3 x Dry Battery, AAA (Battery Not Included) Dimmer Switch Size: Approx. 8x8.5cm / 3.1x3.3in RF Remote Control Size: Approx. 11.5x5.7cm / 4.5x2.2in 1 x Dimmer Switch 1 x RF Remote Control