● Supply voltage: DC12V-48V , Current≤4A ● Output current : constant 350mA ● Signals Using high-speed opto isolated , isolated voltage 2.5 kv ● Signal input voltage range :12-48VDC ● Power input voltage :12-48VDC ● 350mA constant current output with the way the load can be connected to LED lights for 1-12 1W stars . Reference: 12V to 3; 24V to 6; 48V to 12. ● Signal Input: PWM dimming signal, DC12-48V. ● Signal output: PWM dimming signal, NMOS open-drain output , voltage of power supply voltage. ● External dimension: L130ΧW40ΧH52 mm. ● Packing size : L140ΧW50ΧH60 mm ● Gross weight : 92g ● Net weight : 62g ● Working temperature : -20~60℃