HIKVISION DS-D5B55RB/EL 55" 4K Interactive Digital Board
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The HIKVISION DS-D5B55RB/EL is a 55-inch 4K UHD Interactive Display featuring 3840 × 2160 resolution and 40-point multi-touch, designed to deliver a smooth writing and interactive experience for classrooms and boardrooms.
Key Features
- UHD 4K display technology provides crystal clear imagery and detail.
- Anti-glare and anti-blocking design ensures smooth interaction under various lighting conditions.
- Dual System Support: Built-in Android 13.0 with optional OPS module for Windows compatibility.
- Supports up to 40-point touch control with < 5ms response time for a seamless writing experience.
- Multi-button front panel design for convenient access during classroom or business use.
Display Technology
- Screen Size: 55-inch DLED backlight display / (W x H x D)：1262.01 mm × 769.81 mm × 86.10 mm.
- Resolution: 3840 × 2160 @60 Hz.
- Brightness and Contrast: 350 cd/m² (Typ.) with a static contrast ratio of 1200:1.
- Viewing Angle: 178°(H) / 178°(V) wide viewing angles.
- Screen Protection: 3.2 mm anti-glare glass with 6 Mohs hardness and 9H pencil hardness.
- Durability: Designed for 7 × 16H operation with a lifespan of 30,000 hours.
System Hardware and Audio
- Operating System: Android 13.0.
- Core Hardware: Cortex-A55 Quad-core CPU (1.92 GHz), 8 GB RAM, and 64 GB storage.
- Loudspeakers: Built-in 2 × 20 W high-power speakers.
- Wireless Connectivity: Bluetooth 5.2 (BLE) and Dual-band WiFi (2.4 GHz / 5 GHz) support.
- Sensors: Integrated light sensor and NFC card reader support.
Interfaces and Connectivity
- Video and Audio Input: HDMI 2.0 × 2, Audio In × 1.
- Data and Control: USB 3.0 × 2, USB 2.0 × 2, Type-C × 1, RS232 × 1.
- Network: Dual LAN (100 Mbps) ports.
- Mounting: VESA 400 mm × 400 mm compliant.
- Working Temperature: 0 °C to 40 °C.
The product information above is for reference only; everything is subject to the brand's official website.
HIKVISION DS-D5B55RB/EL 55" 4K Interactive Digital Board Review
Why us?
Why Choose BBE?
The trusted choice for more than 300,000 households in Hong Kong. We focus on exceptional quality, professional guidance, and a more peace-of-mind shopping experience.
Multiple Large Showrooms
Experience in person · Compare on the spot
Visit our flagship showrooms in Mong Kok, Causeway Bay, and Tuen Mun. Explore more than 1,000 European, American, and Japanese kitchen appliances, and get on-site recommendations from professional advisors for selection and installation.
Real Customer Service · Dedicated Follow-up
Order confirmation · Peace of mind follow-up
Each order is handled by a dedicated team who contacts and confirms details to ensure smooth delivery and installation. You can also reach real customer service via WhatsApp anytime.
1-to-1 Expert Consultation
Instant support · Professional answers
Get real-time professional support via WhatsApp. Whether you need help comparing appliance specifications, checking dimensions, or answering installation questions, our expert team will respond promptly.
100% Official Stock
No parallel imports · Clear warranty coverage
All appliances are official products from the Hong Kong总代理. Enjoy at least one-year manufacturer warranty and a 7-day replacement guarantee for faulty items, for added peace of mind after purchase.
Award-Winning
Recognized by brands · Valued service
Our service quality is recognized by the industry and top brands. We have received the TGC Sales Gold Award from the Gas Company and Daikin’s Diamond-level “Daikin Star” honor, along with multiple partner awards and distributor recognitions.
Safe Shopping · Professional Installation
One-stop service · More peace of mind
Our website uses SSL encryption, supports multiple electronic payment methods, and provides a one-stop professional delivery and installation service, making the entire shopping process more convenient and reassuring.
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