2A1. Safety InstructionsWARNINGy Please keep this User Manual for future consultation. If you sell the unit to another user, besure that they also receive this instruction booklet.y Unpack and check carefully there is no transportation damage before using the unit.y Before operating, ensure that the voltage and frequency of power supply match the powerrequirements of the unit.y It’s important to ground the yellow/green conductor to earth in order to avoid electric shock.y The unit is for indoor use only and use only in a dry location.y The unit must be installed in a location with adequate ventilation, at least 50cm from adjacentsurfaces. Be sure that no ventilation slots are blocked.y Please disconnect mains power before fuse replacement or servicing.y Please replace fuse only with the same type.y Please make sure there are not flammable materials close to the unit while operating as it isfire hazard.y Please use safety cable when fixes this unit.y Maximum ambient temperature is TA: 40℃ and don’t operate it where the temperature ishigher than this.y Unit surface temperature may reach up to 60℃. DO NOT touch the housing bare‐hand duringits operation.y DO NOT connect the device to any dimmer pack or power pack.y DO NOT look directly at the LED light beam while the fixture is on.y The housing must be replaced if they are visibly damaged.y DO NOT touch any wire during operation as high voltage might be causing electric shock.For 230V 50Hz power supply, maximum fixtures that can be connected together from the same outlet is 13pcs;For 120V 60Hz power supply, maximum fixtures that can be connected together from the same outlet is 8pcs;Please read the instructions carefully which includes importantinformation about the installation, operation and maintenance.