Fangrui Product Details Hardware Parameters Product Model:fm225 Communication Interface: Uartusb Face Algorithm: Support Deep Learning Infrared Face Recognition Algorithm Recognition Accuracy:98. Number Of :100 Face Features False Recognition Rate:less Than 0.0(one In A Million) Far./frr.:less Than Recognition Distance:0.3~1.1m Recognition Height:1.35~2.20m/@20~23/tilt Angle Left And Right Up And Down ~20 Recognition Angle:support Multi-angle Face Entry, Expand The Recognition Range Other Parameters Power Requirement:dc5.5v~9v@1a Operating Temperature:-20+60 Storage Temperature:-30+70 Ambient Humidity:~ Without Condensation Main Board Size: 40x15x10.65mm (not The Whole Size) Applicable Scene:smart Home, Security Monitoring, Intelligent Door Locks Mobile Vending Machines And Other Fields Specifications: A Material: Pc+metal Colour: Black Package Contents: 1 X Module Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of