... dark zone.2. Anti-RF interference, buzzing noise and UV radiation.3. Low power consumption, high intensity, low lumen attenuation.4. We ... bright, and consume 70-80% less energy.6. Adopting low- pressure constant current power supply, glare is avoid, soft luminescence, stabilization, continuity ... when it is lighting, do not visit the lighting sources by eyes directly with long time. 6. use it indoor ...