Model Number: WH-A7 thermal receipt printer Brand Name: WH,Brightek Key Specifications/Special Features: Stylish, delicate and elegant appearanceVery silent printing through direct thermal printingmethodHigh speed and low power consumptionSupports 3.3V low voltage systemSerial (RS-232C, TTL) interface/parallel inters

Invincible quality, price and service

Stylish, delicate and elegant appearance

Very silent printing thru direct thermal printing method

High speed and low power consumption option

Supports 3.3V low voltage system

Serial (RS-232C, TTL) interface/parallel interface

Function setting, prompting for self-motion print

Abundant figure/curves/characters print function

Easier paper loading

Printing method: direct thermal line printing

Easy paper loading

Paper width: 57mm

Print width: 48mm

Resolution ratio: 8 dots/mm (384 dots/line)

Lifespan of printing head: 6 x 106 character lines

Printing speed: 30mm/sec (when the utilization rate is25%)

Character size: 6 x 8 dots, 8 x 16 dots or 12 x 24 dots

Chinese character library: GB2312, 16 x 16 dots or 24 x 24dots

Outline dimensions (W x H x D): 110.5 x 64 x 66mm

Installation dimensions (W x H): 103 x 57mm

Inlaid deepness: 58mm

Paper supplied: thermal roll paper (57mm wide, 35mmdiameter)

Roll core inner diameter (12mm)

Input power: 3.5 to 9V DC, DC 15W/5V, 3A, maximum of 4A

Operating temperature: 5 to 50°C

Storage temperature: -20 to 60°C

Operating humidity: 10 to 80°C

Storage humidity: 10 to 90°C