Customer Display

WD-304U LCD Customer Display

4-Line LCD Display Powered by USB Asian Font Support Graphic LCD

The WD-304U is a commercial desktop graphic LCD customer display designed to clearly show multi-item details, promotional discounts, and custom logos. Beyond standard alphanumeric text, it supports optional regional character sets, including Traditional/Simplified Chinese, and Thai. Featuring 0–45° tilt, 270° horizontal swivel, and three pole-height options (500 / 281 / 193 mm), it easily adapts to diverse checkout counter layouts. Powered directly via a single USB (+5VDC) cable for concurrent data and power delivery, the WD-304U offers true plug-and-play simplicity without external power adapters or cable clutter. Consuming just 2.5W with a 20,000-hour operating lifespan, it is the ideal choice for retail stores, specialty boutiques, and restaurant chains.

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Technical Specifications

Item	Description
Display Method	Graphic LCD (blue-purple)
Number of Columns	30 columns × 4 lines
Brightness	180 cd/m²
Character Structure	8 × 16 dots and graphic
Character Size	4.24 (W) × 8.48 (H) mm
Character Sets	96 alphanumeric, 11 international character sets, 11 code pages, Traditional/Simplified Chinese, Japanese, Thai
Commands	ESC/POS compatible
MTBF	20,000 hours (power-on time)
View Angle	0° ~ 45°
Rotation Angle	Max. 270°
Power Supply	DC 5 V (USB powered)
Power Consumption	2.5 W
Interface	USB
Weight	1.7 kg
Dimensions (Long Pole)	225.0 (W) × 100.0 (D) × 500.0 (H) mm
Dimensions (Middle Pole)	225.0 (W) × 100.0 (D) × 281.0 (H) mm
Dimensions (Short Pole)	225.0 (W) × 100.0 (D) × 193.0 (H) mm
Operating Temperature	0 ~ 45 °C
Storage Temperature	-20 ~ 60 °C
Operating Humidity	10% ~ 90% RH
Storage Humidity	10% ~ 90% RH