... in WLAN antenna, support WIFI MHH100 Series wireless handheld ticket checkerFunction and feature:*Laser bar code scanner; *Built-in WLAN antenna, ... Li battery; internal backup battery: 17 m AhBuilt-in wireless moduleIEEE802.11b/g standardInput modeScanning, touch pen writing, audio ... degreeSafety standardLaser safety, IEC 825, first-class MHH100 Series wireless handheld ticket checker, support WIFI