TunableWhite LED dimmer 12-24 V DC, 2x 1-10 V. Two-channel (one or more colors) LED dimmer for constant voltage operation (12-24 V DC). Wiring is carried out using screw terminals. Cable cross-section: 0.5 - 2.5 mm². An external power supply is required for operation. Output signal (dimming): PWM (pulse width modulation). With protection against overload and short-circuit, maximum output power: 2 x 192 W. The device can use two 1-10-V signals for dimming either two independent lamp groups, or for adjusting and dimming the color temperatures of one TunableWhite group. Material: Plastic, Degree of protection: according to DIN EN 60529 IP20, Protection class: (EN 61140) III, Voltage: 12V 24V, Control: 1-10 V.