IP68 upgraded double-layer waterproof technology for 20 meters underwater, and tested for 6 months in 20m deep sea water. High brightness 2538 Led (120+lm/w). Anti corrosive 316 stainless steel shell, anti corrosive: 1000 hours CLASS test. Working voltage: DC 10V-30V Maximum power: 80w Actual working power: 21W Lumen: white light 643 LM Product accessories: LED light + installation accessories Protection level: IP68 Wire length: about 145cm/57" LED chip: 2835 Product material: PC+ABS Working temperature: -45℃~85℃ Viewing angle: 90℃ Product size: 130*42*25mm/5.1*1.6"*0.8" Product size approximately:13*4.3*2.5 cm Number of LED lamp beads: 42 LEDS Product weight: 0.116KG/PC