globe Doorbell Kit, 16-Sound, 3.7 V Supply, 85 dB Sound Level, Plastic, White, Wired/Wireless: Wireless, Dimensions: 6.42 in H x 5.39 in W x 2.72 in D, Surface Mounting, Suitable for: Indoor Environment, Includes: (1) Doorbell Chime, (1) 18650 Rechargeable Lithium Battery, (1) Doorbell Button, (1) CR2032 3 V Battery, (1) USB Cable, (4) Large Screws, (2) Small Screws, (2) Wall Anchors and Double Sided Tape

globe Doorbell Kit, 10-Sound, 3 V Supply, Battery Power Source, 85 dB Sound Level, Plastic, White, Wired/Wireless: Wireless, Dimensions: 6.42 in H x 5.39 in W x 2.72 in D, Surface Mounting, Suitable for: Indoor Environment, Includes: (1) CR2032 3 V Battery