Specification:Model: EV-JM4Connection: 2.4G, BT, USBWorking current: 3.3Vx200mA, ( idle:0mA)Communication distance: BT≤50m, 2.4G≤100mStorage: 16M=2000 barcodes(characters/barcode≤500)Battery: 1800mAhWorking time: 3 to 10 daysCharging power: 5V-400 mALight aimer: 617nm LEDillumination: 6500K LEDSensor: Indication: Buzzer& LEDResolution: 1D≥4milDecoding speed: 300/secPrinting Contract: >20%Trigger Mode: Button, ContinuousScanning angle: rotation360°, inclination ± 60°, declination ±60°Anti-interference: 0-100000Lux MaxDecode Capability:1D: UPC, EAN, ISBN, ISSN, Code 128, Code 39, Code32, Code 93, Interleaved 2 of 5, industrial 2 of 5, Matrix 2 of 5, Standard 2 of 5, MSI, Code 11, Codabar, GS1 Data Bar, GS1 composite codeLED life: 100000 hoursButton life: 500,000 timesDrop test: 1mDongle/Wire-Interface: USB, USB-COMProduct Size: 12.3x4.2x3cm/4.8x1.6x1.1inPackage Size: 15.2x13.5x4.6cm/5.9x5.3x1.8inPackage Weight: 223g/7.8ozPacking List:1 x Barcode Scanner1 x USB Receiver1 x USB Cable1 x User Manual