AC100-277V DC32-58V 0.9-1.8A constant power mode. IP67,THD<10%,efficiency up to 90%,PF>0.95,SCP/OVP/OTP/UVP/OCP protection function,Surge:4KV/6KV. TUV CB CE SAA CCC ENEC certificate. 5 years warranty.3in1 dimming:0-10V/PWM/Resistance (dim time off and isolation design).