1The fingerprint access control machine adopts a fully sealed waterproof fingerprint head. Safe and convenient to use. 2Filmless fingerprint collector, with green light, accurate recognition, fast reading speed, as fast as 0.2 seconds. 3Builtin credit card module chip, equipped with management card, easy to add card or delete card. Can also set fingerprint management. 4Support 1000 fingerprints, 1000 user card capacity, safe data storage and the data will not lost. 5Available SD card (not included) to upload/download data, with doorbell function, easy to use. 6Made of ABS industrial plastic, hard plasticized, impact resistant and wear resistant. Conditon: 100% Item Type: Access Control Machine Material: ABS Plastic Color: As Pictures Shown Size: Approx. 66 x 155 x 28mm/2.6 x 6.1 x 1.1in Fingerprint Capacity: 1000 Card Capacity: 1000 Cards Communication Interface: Only Memory Card Working Frequency: 125Khz Identification Method: Fingerprint, ID Card Working Voltage: DC 12V Ambient Temperature: -40-40 Doorbell Function: Yes } 1 x Access Control Machine1 x Delete Card1 x Add Card1 x Installation Accessories Bag1 x Instructions