... of Connectors:1/2/3 Pins•Can use 2*c batteries or NI-H rechargeable batteries, long lasting glow time•Traditional candle shape,flicker ... and environmentally friendly.--Each electronics have a eco-friendly case to protect it from rusting.--Each electronics can be replaced ... opening the switch at the candle base, long lifetime--Easy to operate, flameless, athermic, long time burning--Custom made designs ...