1) 10 hours working time for fan 2) Rechargeable sealed lead acid battery 6V4AH 3) Abs Plastic 4) 9W tube emergency lamp with fan,maintained emergency lighting,emergency fanART.NO.:RH5581 x 9W U-tube with mini fanOperating time:Light: 4.5 hoursFan at high speed: 8 hoursFan at low speed: 10 hoursRecharging time: 20 hoursBuilt-in battery: rechargeable sealed lead-acid battery (6V 4Ah)Built-in ...