EXTECH VIR50....................Dual Laser Video IR Thermometer VIR50-NISTL* ......VIR50 with Certificate of Traceability to NIST BATT-37V ............Rechargeable 3.7V battery Manual | EXTECH VIR50....................Dual Laser Video IR Thermometer VIR50-NISTL* ......VIR50 with Certificate of Traceability to NIST BATT-37V ............Rechargeable 3.7V battery Manual |