The Emergency Light is with built-in Long-Life and maintenance free rechargeable lead acid battery of high capacity as 2800mAh. It is charged by any Nokia Charger or Micro USB Charger. – 20 x 6.5 x 6.5 cm – >500 times charging and discharging recycle life. -Twin LED Tube is in advantages of energy-saving. -High light, long life and high power. -Both high light and dim light for choices. RL-5026 -60W Wattage.