TunableWhite radio control.TunableWhite radio controller for controlling the two-color LED modules in the white light range. Controller: Voltage: 12-24 V DC, Current: maximum 2 x 5 A,Power: maximum 120 W / 240 W (12 V DC / 24 V DC), Control: negative (common anode), Control signal: PWM, Radio frequency: 869.5 MHz, Range (visual contact): up to 20 m, Ambient temperature (ta): 0 °C to +40 °C, Controller connection using screw terminals, Dimensions: L 178 x W 46 x H 18 mm. Material: Plastic, delivery: including strain relief, Controller per remote control: maximum 4 (for optimum radio connection). Remote control:Voltage (battery): 4.5 V DC - 3 x AAA (not included in the scope of delivery), Radio frequency: 869.5 MHz, transmission power (Ps) < 0 dBm, Range (visual contact): up to 20 m, Ambient temperature (ta): 0 °C to +40 °C, Dimensions: L 120 x W 48 x H 18 mm. Material: Plastic. Function scope:- On / Off. Light color change using a touch wheel. Dimming of the set light color. Save keys S1 / S2. Selection keys 25% / 50% / 75% / 100% brightness Degree of protection: according to DIN EN 60529 IP20, Protection class: (EN 61140) III, Voltage: 12V 24V, Power: 240 W, Control: Wireless technology control.