The B2=2S+2S(30x16) Electronic Part with Electronic Accessories 30x16mm RoHS manufactured by Yanchuang is a two-pin 2-wire static single cell battery holder/switch, with an overall size of 30mm (1.18 inches) long and 16mm (0.63 inches) wide. The product is RoHS complaint and is constructed with flame-retardant PBT body plastic, and has gold-plated connections with a resulting contact resistance of 50 milliohms or less. It is ideal for connecting and disconnecting battery circuits, and is suitable for applications such as consumer electronics, emergency lights, over-current protection, reverse polarity protection, electric toys, batteries for household appliances, instrumentation, and other battery-powered systems. The product is suitable for use in both dry and damp environments, and is rated for a working temperature range of -20°C to +65°C.