LED outdoor ground laser light $ 35.53 Laser light source: 15-40mW 532nm green light, 15-40mW 650nm red light; Effect: red and green static sky full of stars; Waterproof rating: IP44; Adapter: 100-240V, 50/60HZ; Shell material: PP; Wire length: 26 AWG off-line 3 meters; Mode: Turn on timing: 6 hours to turn on, 18 hours to turn off; Working temperature: -30-30, under low temperature environment, it takes 10-15 minutes to start up; Certification: CE, ROHS, EN60825 Design of internal temperature control scheme