Temperature resistance of door lock: (4h high temperature: 49 degrees, 4H low temperature: - 0 degrees), relative humidity 85%. Temperature resistance of door lock: (4h high temperature: 66 degrees, 4H low temperature: - 20 degrees). Once the item return is required, our customer services executive will assist you to handle the return procedure.
All items will be double checked and well packed. Your satisfaction is our first priority. We request that you contact. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Smart Doorbells & Locks\Smart Door Locks". The seller is "homebiz8426_online" and is located in this country: CN.This item can be shipped worldwide.