Features DC/DC buck-boost converter Constant current output: 300mA to 600mA Wide input voltage: 9~36VDC Wide output LED string voltage: 2~40VDC High efficiency up to 91% Comply with BS EN/EN55015 and FCC part15 Build-in PWM and remote ON/OFF control Protections: Short circuit/Over temperature Cooling by free air convection Fully encapsulated with IP67 level for pin and wire style Compact size High reliability Suitable for driving illumination LED 3 years warranty General Specification Current accuracy ±5% Over temperature protection Shut down, auto-recovery Efficiency 90% (typical) Short circuit protection Regulated at rated output current Working temperature -40°C to +70°C EMC Compliance to EN55015 class B, EN61000-4-2,3,4,6,8, EAC TP TC 020 Temp. Coefficient ±0.03% / °C Dimension (LxWxH) (mm) 31.8x20.3x12.2mm Potting material Expoxy(UL94-V0)