Fingerprint Pad Device GTM-4120C6 Characteristics 360° Biometric fingerprint scanner Internal 5 fingerprint storage Supports RFID Supports Wi-Fi 802.11 b/g/n Supports OTG USB 2.0 Supports Dual camera Rechargeable 10,000 mAH LiPo − charging via USB port Supported OS − Android 4.0.4 GTM‐4120C6 Application Areas Product Description Item BM7501 Photo Touch panel High definition flat screen capacitive touch panel Screen size 7.0 inches Resolution 1024 × 600 OS Android 4.0.4 CPU Due-core up to 1.0GHz Memory RAM : DDR 512M / 1G ; Flash : 4Gb Battery 6000mAh / 10000mAh Camera 5.0MP 2.0MP / 2.0MP 0.3MP Optical sensor Capture size : 18 × 26mm Fingerprint Module Pixel : 320 × 480 Resolution ratio : 500DPI Gray level : 256 Authentication type : 1:1, 1:N Shaking resistance : 20cm/s Rotate : 360° Deflection Angle sensitivity : ±50° QR-code Module (Optional) Angle sensitivity : ±50° Viewing Angle : 37.5° horizontal, 24.5° vertical Ambient Light : 0-100000LUX Code system : 2D barcodePDF417, Data Matrix, QR Code, 1D barcode Read access time < 3S RFID Module (Optional) Reading range : 0～5cm Working frequency : 13.56MHz ± 7kHz WIFI 802.11 b/g/n USB USB 2.0 (OTG) Data / Charging port Mini USB port / UART port Dimension 235(L) × 147(W) × 28(H)mm Weight 780g