1.Double fluorescent lamp tubes provide 360°light distribution.
2.2 or 1 fluorescent lamp tube illumination selector.
3.Overcharge protection control circuit designed to extend battery life 3 times over.
4.Special discharge circuit design prolongs fluorescent lamp tube life 5 times over and prevents "Black End".
5.HIGHLY EFFICIENT INVERTER provides maximum light brightness.
6.Automatic "on" function when unit is being charged and tube switch is set to 1 or 2 during power failure.
7.Red lamp charge indicator.