... use, save energy, can light for 4-5 hours with battery once. It has a handle, can be under AC220V/110V ... hours Environmental temperature: -200C to 600CInput condition: DC12V,3400mA, rechargeable storage battery, 5 hours for recharge, 4-5 hours for work. Recharge ... time: 500 times. lead acid storage battery. The burning point of surface PVC tube: 7000CThe visible distance ...