*Product Model: DS-D5B55RB/FL+STH-D5ABKY2S
*Product Model: DS-D5B55RB/FL
*Display
-Screen Size: 55 inch
-Backlight: DLED
-Brightness: 350 cd/m² (Typ.)
-Display Color: 1.07G
-Response Time: 8ms
-Panel Type: ADS
-Contrast Ratio: 1200:1 (Static)
-Color Gamut: 72% NTSC (CIE1931) (Typ.)
-Refresh Rate: 60 Hz
-Aspect Ratio: 16:9
*Built-in System
-Operation System: Android 13.0
-Memory: 8 GB
-Built-in Storage: 128 GB
-CPU: Cortex-A55 × 4 (1.92 GHz)
-HDCP Version: Support 1.4/2.2/2.3
-GPU: Mali-G52 MP2 (2EE)
-Resolution: 3840 × 2160 @60 Hz
*Touch
-Touch Resolution: 32768 × 32768
-Lifespan: 30,000 hours
-Touch: Infrared Touch Screen
-Touch Point: 40-point multi-touch
-Touch Response Time ＜ 5 ms
-Minimum Touch Object: ≥ 2.8 mm (≥ 90% touching area)
-Touch Precision: ± 1 mm (≥ 90% touching area)
*Camera
-Camera Pixel: Up to 48 MP for Photos (Android)
                     Up to 8 MP for Video (Windows)
                     Up to 2 MP for Video (Android)
-Camera Function: Supports intelligent switching between Android system, OPS, and PC.
-Camera Resolution Ratio: Up to 4K
*Microphone
-Microphone Specification: Omni-directional 8-array layout
-Mic Function: Echo reduction and smart noise-cancellation
-Voice Distance: 12 m
-Sampling Rate: 32 K
-Mic Depth: 16 bit
*Internal Function
-Loudspeaker: Built-in 2 × 20 W
-Speaker Frequency: F0-20Khz
-Bluetooth: Built-in BLE (Bluetooth Low Energy) module supports Bluetooth 5.2
-NFC: Support card reader
-Light Sensor: Yes 
*Interface: 
-Video & Audio Input: HDMI In （HDMI 2.0）× 2, Audio In × 1
-Video & Audio Output: Audio Out × 1
-Control Interface: TOUCH-USB 2.0 × 2, RS232 × 1
-Network Interface: LAN (100 Mbps) × 2
                             WIFI AP&Station，2.4G/5G
                              WIFI AP：IEEE 802.11 a/b/g/n/ac 2 × 2 MIMO (2.4 GHz and 5 GHz) authentication protocols WEP, WPA, WPA2, PSK and 802.1X EAP
                             WIFI Station：IEEE 802.11 a/b/g/n/ac/ax 1 × 1 MIMO (2.4 GHz and 5 GHz) authentication protocols WEP, WPA, WPA2, PSK and 802.1X EAP
-Data Transmission Interface: USB 2.0 × 2, USB 3.0 × 2, Type-C × 1 (Type-C supports USB 2.0)
*Power: 
-Power Supply: 100 to 240 VAC, 50/60 Hz
-Standby Consumption: ≤ 0.5 W
-Max. Consumption: 210 W (with OPS)
-Average Consumption: 130 W
*General
-Product Dimensions: 1262.01 mm × 769.81 mm × 86.10 mm
-Package Dimensions (W × H × D): 1385 mm × 865 mm × 180 mm
-VESA: 400 mm × 400 mm (4 × M6-16 mm)
-Gross Weight: 32 kg