NETUM L8 Portable 2.4G Wireless Barcode Scanner QR Code Scanning Gun for Mobile Payment Made of industrial-grade PCandABS 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 (640x480) Light source type: LED (630NM) Scanning mode: Image scanning Accuracy: 1D3mil 2D 7mil Operating environment: 0-50 Storage temperature: -20-70 Storage humidity: 5 percent -95 percent (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 Package included: 1 x QR Barcode Reader 1 x USB Receiver 1 x Charging Cable 1 x English and Chinese User Manual Other things not included