... are in compliance with CE, ROHS collection. Optimization circuits, integrated design, work reliable long hours . The United States imported ... ! 9Operating Temperature Range: -40 to +50 ! 10.lamp integrated circuit design closure with O-type apron, waterproof design to enhance ... more than 500times4.attention,this battery is not protective circuit,pls avoid overcharge and overdischarge,pls use the charger ...