Description Save power more than 90% by ordinary bulbs, Maintenance Free. Long lifespan, Instant start, no flashing. Solid State, shockproof,  No RF Interference.  Long time working, 12 hours/day is perfect, produce low heat. No mercury or other hazardous materials. Working environment -20 degree -65 degree, suitable for unusual climate. Instant On/Off, No need to wait for any second. Being reduced 40% heat dissipation, compared with traditional fluorescent lamp.