Heavy duty, hardened steel 7mm chain with a coated zinc die cast lock bodyBiometric lock can save up to 20 individual finger prints, and unlocks instantly when a saved finger is placed on the sensorSilicone cover on the lock body, and textile sleeve around the chain prevent scratching paint or finishesIP66 and IP68 certification attests that the lock body is dustproof and weatherproofDouble ball bearing locking provides improved protection against forced openingCR2 battery included7mm2`9.3`/85cmBiometricBlack8 of 15Not Included7807FUPC/EAN/GTIN: 4003318410017