Cord length: 20.5 extends to 4.5'. Dimensions: 7.125" x 2.75" x 1.375. Power source: 1 "9-volt" battery. Measures air velocity, calculated air volume flow, air temperature.Features & Benefits : Displays CFM, CMM, FPM, MPS andtemperature Min/Max memory Data hold Single point average Multi-point average RS-232 computer interface °F/°C switch CE and RoHS approvedSpecifications :Airflow Volume Measurement Range:0 to 99,999 CFM or CMMAirflow Velocity Measurement Range:80 to 6900 ft. /min (0.4 to 35 m/sec)Airflow Measurement Accuracy/Resolution:±2%/1 ft. /min (10 mm/sec)Temperature Measurement Range:14° to 122°F (-10° to 50°C)Temperature Measurement Accuracy/Resolution:±1°F (±1°C)/0.1°Cord Length: 20.5 in. Extends to 4.5 ft. Dimensions of Metre: 7.1 x 2.8 x 1.5 in. (181 x 71 x 38mm);Vane diameter: 2.9 in. (73mm)Weight of Metre: 310ml (295g)Power Source: 1. Battery (included)Includes : Remote probe Moulded hard case Battery User. The item "General Tools DCFM8901 Digital Two Piece Air Flow Metre with RS232 Output" is in sale since Wednesday, April 29, 2020. This item is in the category "Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pump & Flow Controllers\Flow Controllers & Meters\Flow Meters". The seller is "yourglobalmall" and is located in Commerce, CA. This item can be shipped worldwide.