KEYES Button Battery Board Coin Cell Module Wearable CCR-2004Description:This product is compact and lightweight、 with a two tranches toggle switchRated voltage: 0 to 1000VOperating temperature range: -30 to 125   CTwo tranches toggle switch of action:Switch to "ON"、 indicates that the module output power ONSwitch to "OFF"、 indicates that the module output power OFFApplicable battery type:BR2025  CR2025  BR2032  CR2032Package includes:1 x Coin Cell Module (battery does not includes)