Specifications: Simple installation: Replaces existing deadbolt with just a screwdriver. Fits on standard doors 1-3/8" to 2-1/4" thick.
Nest Connect operating temperature: 32 degree to 104 degree F (0 degree to 40 degree C)
Nest Connect input: 100-240V ~ 50-60 Hz, 0.12A
Dimensions: Front End: 4.59" x 2.59" x 0.80"
Rear End: 7.03" x 2.78" x 2.02"