ZKTeco TL-400B Smart Phone, Smart Lock. Your smart phone is now your key. Voice volume is adjustable. Enhanced security by random password for code access. European standard mortise - the door locks by itself once close.
As the authentic ZKTeco brand distributor KB International of bangladesh, we assure our client to provide the creditable guaranteed produtcs at it's most reliable prices with RMA during the product's one year warranty period.