RYGH RM Series DOB UFO LED Bay Light Advantages: 1, Our engineer has 15 years experience in led lighting field 2, 6 years focus on AC linear led lighting 3, 3nd Generation Linear IC from Top Taiwan Team-Vendor of AURORA Lighting 4, Driverless led lighting already worked 5-6 years all over the world, failure rate <0.5%, you can sleep well at night because very few complaints 5, Working voltage max 300V, other company max 265V 6, With Over voltage protection, over temperature protection, short circuit protection, over load protection 7, Pass Safety Certification, EMC/EMI 8, 4KVA Surge Protecion on board, 6KVA and 10KVA SPD available 9, 3-5 years warranty, 10, Can be work in harsh environment from minus 30 degrees to 50 degrees 11, High voltage, low working current, no capacitor, no shocking current when turning on, very few interference on power grid, low temperature on power lines 12, Easy for maintenance, easy to change a DOB if failed 13, 99.9% solid components, life time 100, 000 hours, much longer life time than LED 14,much higher cost performance than MEANWELL driver, lumileds and OSRAM Chip warranty 5 years 15, No spark when switching, , which can be used as explosion proof lighting 16, We know and protect our product like our child, and vitnessed the change and improvement of our product in last 6 years 17, We insist on updating our DOB Technology 18, Best SKD solution, you do not need engineer but only need to solder the cable as well as a screw driver.