Product Description Product LED Remote Controller Model SR-2819S-DIM (R1) Output RF Signal Voltage 4.5V (3xAAA battery) Frequency 434MHz/869.5MHz/916.5MHz Control Zone 4 Zone Remote Type Dimmer Compatible Controllers (Sold Separately) SR-1009EA-5C (R-25.5A)SR-1009FA3 (R-1.6A)SR-1009FA7 (R-3A)SR-1009EATYWI-5C (R-8A)SR-1009TYWI-5C (R-4A)SR-1009CS (R1) Color Black Operating temperature 0-40° C Relative humidity 8% to 80% IP Rated IP20 Dimensions 120 x 55 x 17mm (4.7 x 2.1 x 0.66in) Features: The SR-2819S-DIM (R1) is a single color remote controller for CCT LED lights. It operates on an RF signal output and uses a voltage of 4.5V powered by 3 AAA batteries. The controller communicates using a frequency of 434MHz/869.5MHz/916.5MHz and has a control zone of 4. Ultra-sensitive touch control brightness touch wheel enables accurate and fast color control. 3 different scenes can be saved for each zone and can control the distance around 20-30 meters. 256 level brightness adjustment for each white allows you to achieve millions of different colors. Smooth dimming without any flickering from 0.1% to 100% and direct access to 25%, 50%, 75%, and 100% brightness using the buttons. The SR-2819S-DIM (R1) remote controller has a humanized memory function that remembers the last Kelvin setting. It can work with a power repeater to expand output unlimitedly. The controller comes in a black color and has an operating temperature of 0-40°C and relative humidity of 8% to 80%. The IP rating is IP20, and the dimensions of the controller are 120 x 55 x 17mm (4.7 x 2.1 x 0.66in).