WD4 Ring Scanner

A lightweight ring scanner — scan while you carry.

The WD4 Ring Scanner sits comfortably on the finger, with a ring shape that stays secure during rigorous tasks. A rotating head adapts it to either hand and the trigger works with a light press of the thumb. It pairs over Bluetooth 5.0 and works online or offline with 1 MB of storage.

Newland WD4 Ring Scanner barcode scanner
Key Features

Why choose the WD4 Ring Scanner.

Hands-free 1D & 2D scanning while carrying boxes

Versatile rotating head fits left or right hand

Bluetooth 5.0 pairing to Android, iOS, Windows and more

EasySet-configurable with 1 MB offline memory

Good-read feedback via LED, audio and vibration

Full-shift 670 mAh battery for up to 10 hours

Technical Specifications

WD4 Ring Scanner — full technical detail.

1D Symbologies
Code128, UCC/EAN-128, AIM128, EAN-8, EAN-13, ISBN/ISSN, UPC-E, UPC-A, Standard 25, Codabar, Industrial 25, Code39, Code 93, Code 11, Plessey, MSI-Plessey, GS1-DataBarTM(RSS), Matrix 2 of 5, Interleaved 2 of 5, ITF-6, ITF-14, and more
2D Symbologies
PDF417, QR Code, Data Matrix, Aztec, Micro PDF, Micro QR, and more
Aiming
Red LED
Depth of Field Code 39 (5mil)
55 mm - 145 mm
Depth of Field DataMatrix (10mil)
40 mm - 140 mm
Depth of Field EAN 13 (13mil)
55 mm - 280 mm
Depth of Field PDF417 (6.7mil)
40 mm - 130 mm
Depth of Field QR (15mil)
30 mm - 195 mm
Illumination
White LED
Image Sensor
640 x 480 CMOS
Minimal Print Contrast
20% (Code128 10mil)
Resolution
>=3mil (Code128)
Scan Angle Pitch
±60°
Scan Angle Roll
360°
Scan Angle Skew
±60°
Memory Flash
1MB, >16000 EAN 13 codes
Battery Type
4.35 V, 670 mAh (rechargeable Li-ion battery)
Dimensions
38(W) x 52.5(L) x 44.2(H) mm
Expected Battery Life
Up to 8 hours (depending on the intensity of scanning applications)
Expected Charge Time
Less than 2 hours
Notifications
LED, Vibration, Buzzer
Power Supply Input
AC100 to 240 V (50 to 60 Hz)
Power Supply Output
5 VDC (1.5 A)
Weight
48 g
Radio Technology
Bluetooth 5.0
Wireless Distance ( max.)
40 m (wide empty area)
Charge Temperature
0°C to 45°C (32°F to 113°F)
Drop
1.2 m
Electro Static Discharge (ESD)
±8 kV (contact discharge), ±12 kV (air discharge)
Humidity
5% to 95% (non-condensing)
IP Rating
IP42
Operating Temperature
-20°C to 50°C (-4°F to 122°F)
Storage Temperature
-40°C to 70°C (-40°F to 158°F)
Configuration Tools
EasySet
Certifications Hardware
RoHS, CE
Comprehensive Service Contract
3 Years, 5 Years
Warranty Extension
+2 Years
Warranty Standard
3 Years
Ideal Applications

The WD4 Ring Scanner is well suited to the following environments and use cases:

Warehousing & Distribution Transport & Logistics Retail Hospitality & Leisure
Speak to an Expert
Interested in the WD4 Ring Scanner? Request pricing & availability »

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