Product Paramenters Physical Characteristics   Dimenslons 160.5(H)*67(W)*17(T)mm 6.3(H)*2.6(W)*0.67(T)inch Weight 8.57 oz/243g(Batteries requlred,Depends on Product Configuratian) Displa 4 in.800(H)*480(W) WVGA industrial-grade IPS display lmager Window Coming@Gorilla@Glass Touch Panel Comingo Gorilla Glass Capacitve touch panel,Support Water & Gloves Touch Mode Backlight 450 NITS,LED Power Removabe & Rechargeable 3.85V 5100mAh Lithiumion battery Expanslon Slot Micro SD Card slot, 256GB Expanslon Ports 2 Pin Rear connection：Trigger key signal 4 Pin Bottom connection：Charging port 5V/3A,Support USB communication and OTG mode SM Slts 2x Nano SM iotiflcatiore Audible tone;multi-color LEDs;Vibration Netwok Conmectlons WWAN,Wi-Fi,Ethemet cradle Voice and Audio Speaker,Receiver,Dual Mic Keypad 26 key Numeric with FN keys, Supports on-screen keypad Interface Ports Bottom USB 2.0 OTG - host/client (Type-C) Performance Characteristics   CPU Octa-core,2.0GHz Operating System Android 11.0(GMS Certifled ) RAM 2G/3G/4GB LPDDR3 ROM 16GB/32GB/64GB eMMC 5.1 Interactive Sensor Technology   Sensor Sensor Proximity Sensor，Light Sensor，Accelerometer，Magnetometer (OPT)，Gyroscope (OPT) Operating System Android 11.0(GMS Certifled )