[Light Design]: Light display when charging:Orange/green LED lights. Full charge green LED light on and orange LED lights off. Super easy to install ,a quick-release tab to easily install the battery, you'll always have backup . Operating conditions: -20.5C to 48.5C.[Wide ]: : RING Battery Pack Quick Release for 2 & Cam. -in intelligent chip, over-voltage protection, over-current protection, short circuit protection, high-temperature, over-charge protection and high-quality, fire-resistant construction.[Environmentally ]: The battery can be rechargeable more than 1200 recharging , which is such environmentally- to and replace disposable battery to the environment, preventing the waste of non-rechargeable battery.Colour: BlackMaterial: Metal+PlasticPackage Contents:1 * Doorbell batteryOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.