ATD-4062A 
VS-700 Fuel Injector Function Tester --12V & 5V Petrol Injectors
Designed to allow the user to electronically activate a petrol fuel injector and do a full function test as well as aid injector cleaning by combining the unit with use of a suitable carburetor cleaner.
It is designed to be powered by a 12V battery and can be switched to output 12V or 5V depending on the injector being tested/activated. This allows the unit to be used on standard EFi injectors (12V) as well as GDi injectors (5V).
Selectable pulse activation modes including: short, medium, long and continuous switching pulse outputs. Can be used for injector cleaning use with an appropriate aerosol injector/carburetor cleaner. 
Specifications
Input power: 12V (vehicle battery or 12V power source) 
Output pulse voltage: 12V (EFi), 5V (GDi)
Operating temperature: 0-40°C (32-104°F) <80%RH
Storage temperature: -10-50°C (14-122°F) <85%RH
Injector connector terminal sizes: 0.6mm, 2.00mm, 2.5mm