Works with ring video doorbell 3 and spotlight cam battery , spotlight cam solar Super easy to install ,a quick-release tab to easily install the battery The battery pack can be last 6 months depending on your ring doorbell device setting Safety Features: CE FCC Rohs certified, built-in safeguards protect your devices against excessive current, overheating, and overcharging What you get: 1x 3.65V Voltage, 6040mah batteries, instruction book Performance: Type: Ring 8AB1S7 Battery Battery capacity: 6040m Voltage:3.65V Wight: 240g Package Include: 1 x Replacement Ring battery