Specification Brand : Kawish BulletPoint : Dual head design fits various clutch arms or roller bushings. BulletPoint1 : K102s fuel injector tester is a simple, powerful, which can test Gasoline injector, we offer besides the Automotive Fuel Injector Tester ,also have 2 injector adapters, so you can do a simply test and cleaning for your injector with just one bottle of carburetor cleaner. Very convenient BulletPoint2 : This Fuel Injector Cleaning Kit have two button and one knob ,knob is used to turn up or down the set value, one button is used for start or stop spray, one button is used for switch cursor.(Injector Tester Cleaner power by the 12V battery ) BulletPoint3 : fuel injector tester and cleaner has a LCD screen,which display the injector working Mode ,working pulse width and working frequency,so you can simulate the various working states of the engine by set different frequency and pulse width, K102S has preset 4 working states: VL, VE,TL ,HL,They may not be suitable for all situations,You can set parameter according to your own needs. BulletPoint4 : 12V Fuel Injector Tester and Cleaner also have some protection design ,you don’t worry Reverse power supply, and Short-time over-voltage. So it’s a very easy tool ,no matter your are a professional or amateur, you can use it in 5 minutes.(Make sure you wear eye protection, to avoid being sprayed on the face.) BulletPoint5 : At last:We have 12 months of quality assurance. If you are not satisfied with our products, or if K102S are any quality problems. Please contact us first.we will solve your problem ASAP Color : Blue ExteriorFinish : Painted ExternallyAssignedProductIdentifier1 : 034948750703 ExternallyAssignedProductIdentifier2 : 0034948750703 FitType : Vehicle Specific IncludedComponents : SP1 SM-12485 ItemDisplayWeight : 0.11 pounds ItemName : Kawish Fuel Injector Tester and Cleaner, Professional K102S Fuel Injector Tester, Automotive Gasoline Injector Tester DC12V 1~50 Hz Diagnostic Tool ItemPackageDimensions_Height : 21 centimeters ItemPackageDimensions_Length : 7.4 centimeters ItemPackageDimensions_Width : 16.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : automotive-fuel-pressure-testers LegalComplianceCertifications : CARB Compliance Certificate Manufacturer : Kawish MaximumOperatingVoltage : 12 volts MeasurementType : Voltage, Pulse Width, Frequency MinimumOperatingVoltage : 8 volts ModelName : Fuel Injector Cleaner Kit ModelNumber : 021 NumberOfBoxes : 1 NumberOfItems : 4 PackageLevel : unit PartNumber : AB-15 PowerSourceType : Battery Powered ProductDescription : KW102S Professional Injector Tester Item Feature: This fuel injector tester and cleaner kit can diagnose injector problems, you can use it on each injector individually to test stuck, leaking or burnt-out. It used 12V vehicle battery as power supply. it can set Frequency and width ,also it preset for test mode ,it can help you identify the injector good or not It can work with any fuel pressure tester together. KW102S Operation Instructions: Turn off the vehicle's engine Connect Black / Red Clip to the Negative / Positive terminal of battery Connect pulse output terminal to the fuel injector Press the "SELECT" key to select the desired pulse mode,and use knob to turn up or down theFrequency or width Press the "START"key, the automotive injector cleaner tester will output pulse to the injector, and then the pulse signal indicator will light as indication