Ports&Product reliability   Type Industrial smart handheld terminal Color Black/White OS Android 11 Size 157.6* 73.7 * 29mm Screen size 4.0 inch 480*800 400cd/m² TP Touch Screen Multi-touch, Corning III glass tempered screen Battery Polymer lithium-ion battery 4000mAh removable  Standby time>300 hours  Working time 8-10 hours (depending on usage and network environment) Camera Rear camera 13MP, auto focus with flash, optional front camera 5MP Audio frequency mic， earphone，8Ω/0.8W speakerx1 Button 17 buttons on the front+6 buttons on the side(Scan buttonx2、volume+-、power butto、Changeable buttons Hardware Configuration   CPU MT6762 Cortex A-53 2.0 GHz Octa core RAM/ROM 2G+16GB， 3G+32GB Optional GPS Support GPS, Glonass, Beidou Sensor G-Sensor、Vibration motor 2D Scan Standard：NLS-N1（Honey-well HS7&ze-bra se4710&NLS-CM60 Optional） resolution：5mil  scanning speed：50 times/s  Support:PDF417, MicroPDF417, Data Matrix, Data Matrix Inverse  Maxicode,QR Code, MicroQR, QR Inverse,Aztec,Aztec Inverses,Han Xin,Han Xin Inverse Optional   HF 13.56Mhz，Support 14443A/B;15693 card reading distance:2-5cm LF 125K、134.2K；Support card reading distance:2-5cm Face recognition Embedded facial recognition algorithm infrared temperature 1-3cm；accurate±0.2°C；range：32°C - 42.9°C；time：≤1S Interface   SIM *1 TF *1 ,max128GB Type C *1,Support charge,data transmission,OTG Product reliability       Certification IP65 Drop height 1.5 meters fall resistant composite wood floor Operating temperature -10 ℃ ~ 50 ℃ storage temperature -20 ℃ -~60 ℃ Rolling test '1000 times Humidity Humidity: 95% Non-Condensing Standard accessories 5V2A charger,Data cable