Specification Brand : QANYEGN BulletPoint1 : AURATE REMOTE CONTROL TESTING: Designed to aurately test the frequency of your remote control, this handheld digital frequency meter s precise configuration for optimal performance. BulletPoint2 : HIGH QUTY AND RELIABLE: This frequency meter coter is made of high quty materials and is . It is reliable, and can meet all your needs for remote control testing. BulletPoint3 : CONVENIENT TESTING DISTANCE: Simply b the remote close to the tester within 10 centimeters and it will aurately test the remote's frequency. No more guessing or repeated adjustments. BulletPoint4 : WIDE RANGE OF APPLICATION: The power monitor is perfect for a variety of applications including electric door controllers, automatic door burglar alarm controllers, electric locks, garage doors, entrance guards and more. BulletPoint5 : CLEAR DISPLAY AND EASY ADJUSTMENT: This remote control tester has a clear display that allows you to easily adjust the exact frequency needed to configure your remote control to enhance its fctionty. IncludedComponents : inc ItemName : QANYEGN Handheld Digital Frequency Meter Coter, Remote Control Tester Tool, Power Monitor for Electric Door Controllers ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 2 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : frequency-counters Manufacturer : QANYEGN Material : Material MinimumOperatingVoltage : 7.5 volts PartNumber : QANYEGNgbwu758kds PowerSourceType : Powersource ProductDescription : Specifications: Working Voltage: 7.5-10 V or 6F22 Working current: 51mA Standby current: 40mA Test coverage: 250-450 MHZ Test Distance: 10 cm Weight: 73g/2.7oz