Tired of inaccurate gas filling , faulty readings shown by mechanical manifold gauges, switch to Digital Manifold Gauges. Digital Manifold Gauges offer great value for money by offering improved accuracy. The digital freon gauges can be used to accuractly show pressure with finer resolutions upto 0.00 in bar and 1 in psi. They also show the corresponding temperature readings in deg C or F against corresponding pressures for each freon refrigerant. Different freon gases can be selected depending on use R22, R134a, R404a, R407c, R410a. They also feature a backlight so the readings can be seen properly.