... and high luminous intensity6. Working environment -20°C-50°C, suitable for unusual climate7.Use high-tech ... , not be stressed ,2. Voltage AC110-240V 50/60 HZ,Before installing ,please make sure the right ... lamp beads2,Wide input voltage :AC110-220V /50-60Hz,applicable for most countries3,Energy saving and ... low power consumption, saving up to 40-50% compared to traditional fluorescent lamp and 80% ...