Features: brand new and high quality The Control Tester has been developed to assist with the diagnosis of all types of (IR) Infra Red and (RF) Radio Frequency remote controls. Remote Control Tester can be used on most makes and models of vehicles including trucks, remote control models and domestic appliances. Simply place the remote control below the LCD screen and press a button on your remote for key fob, a signal will be sent to the Remote Control Tester and a numeric frequency will be displayed on the LCD screen. Frequency Range:10Mhz to 1000Mhz Battery Operated:9Volt. Current Consumption:50 mA Specifications: Material: ABS Battery Operated:9Volt Current Consumption:50 mA Frequency Range:10Mhz to 1000Mhz Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3.Battery not include. Package includes: 1x Remote Control Tester Tools