1、High Safety: Waterproof fingerprint module uses high definition pixel technology to ensure the accuracy and security of fingerprint recognition. 2、TTL Interface: Fingerprint identification module can be connected to other devices through TTL communication interface, which is flexible and convenient. 3、Material: Made of premium and durable semiconductor and stainless steel, fingerprint module is waterproof, not easy to rust, to ensure long term use. 4、Wide Applicability: Applicable to various scenarios, such as security access control, warehouse management, etc., to provide you with convenient fingerprint recognition experience. 5、Easy Installation: Equipped with user friendly interface and design, fingerprint module has easy installation and use, easy for you to quickly get started and use. Item Type: Fingerprint Identification Module Material: Semiconductor + stainless steel Fingerprint Capacity: 1500 Pixels: 192 x 192 Interface: TTL-232(logic level) Voltage: 3.3V 1 x Fingerprint Identification Module