ITEM No.: SL-228 Eternity Flashlight PCS/CTN: 48 pcs Net weight: 15.3 kg Gross weight: 16.4kg Carton Size: 53.5×28.5×41 cm Product size: 5.3×5.3×24 cm Description : 1?Environmental protection type, no need of battery. 2?Super bright LED. Light visible for over 1.5 meters. No need replacement of bulb 3?Rechargeable super capacitor. 4?Adhere to Faraday’s principle of induction. The electricity is generated by shaking the torch. It can light for 2 to 5 minutes after shaking for 30 seconds and will flash continuously if you stick on shaking. 5?Highly sealed, waterproof all weather. 6?Suitable for family, travel, bicycling, camping and emergency situation.