At 2.47 oz and measuring 2.4 in long, 1.1 in wide, and 0.8 in deep, the Zebra RS51B0-LEDNWR is a single-finger wearable ring scanner built around the SE4710 2D imager with wireless Bluetooth Class 1 connectivity that supports roaming up to 300 feet / 91.44 m from the host device. NFC tap-to-pair enables instant connection to compatible Zebra devices without navigating Bluetooth settings. The modular two-piece trigger assembly separates the trigger from the scanner body, and multiple LEDs on the rear face blink directional guidance cues. Symbology coverage spans 1D codes including Code 39, Code 128, UPC/EAN, GSI DataBar and Base 32; 2D formats including PDF417, DataMatrix, QR Code, Aztec and MaxiCode; and OCR-A and OCR-B. REACH and RoHS compliance apply, and the unit is backed by a 1-year limited warranty.