Made of industrial-grade PC+ABS environmentally friendly materials, it feels comfortable, non-slip and anti-sweat, and has excellent heat resistance, stability and impact resistance 1.5-meter anti-fall design, don't worry about being damaged if it falls to the ground The ergonomically designed shape fits your hand, making it less likely to feel fatigued after long-term use Can be used in supermarket, convenience store, warehouse, library, bookstore, etc Specification: Image sensor: CMOS (640*480) Light source type: LED (630NM) Scanning mode: Image scanning Accuracy: 1D≥3mil 2D ≥7mil Operating environment: 0℃-50℃ Storage temperature: -20℃-70℃ Storage humidity: 5%-95% (no condensation) Ambient lighting: 40,000 lx Transmission method: USB Depth angle: 36° (H), 28° (V) Scanning angle: tilt ±55°, deflection ±65°, rotation 360° Battery capacity 2000mAh Transmission distance: barrier-free visual distance 100 meters Scan performance: Code 39 30mm~90mm (5mil) Code 39 40mm~195mm (13mil) QR Code 30mm~170mm (15mil) Screen QR code 100mm~500mm Prompt method: buzzer, LED indicator Scanning method: handheld button trigger scanning Waterproof grade: IP54 Fall resistance: 1.5 meters anti-drop