We supply Fire Emergency Light 
 Emergency lights all-retardant materials, placement techniques, classification of constant current charging circuit, self-fault detection indication, with over charge, over discharge and other battery protection circuit. Low-power light emitting materials, green super bright LED as the light source; battery with no corrosion maintenance-free nickel-cadmium rechargeable battery pack, which discharge time is long, energy-saving, easy to use, safe and durable. 
 Emergency lights in accordance with GB17945-2000 standard design, can be widely used in shopping malls, hotels, hospitals, home and other places in the fire emergency signs. 
 Main technical performance and parameters 
 Model: DSB1B-Z /-Y /-A /-S DSB2C-Z /-A /-S 
 Power supply voltage: AC 220V ± 10%, 50Hz 
 Standby power supply: 3.6V, 300mAh Ni-Cd rechargeable battery pack 
 Light intensity: 16 ~ 60cd/m2 
 Conversion time: <5s 
 Recharge time: ≤ 24h 
 Emergency time: ≥ 90min 
 Rated Output Power: ≤ 4W 
 Operating temperature: -10 ℃ ~ 55 ℃ 
 Use and maintenance 

 1, when used, the lights can access AC220V/50Hz, usually allowed in the state of charge. 
 2, inspection, press the test button is transferred to the state of emergency instructions; release should be back to the main power after the state of charge. 
 3, if six months is not in use, should be full charge and full discharge once.