globe Security Kit, 10-Sound, 4.5 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) Door/Window Sensor, (1) CR2032 3 V Battery, (5) Screws, (1) Wall Anchor and Double Sided Tape