With Backlight : YES
Type PH tester
Display Type: DIGITAL
PH range: 9.0-5.5
Chlorine range: 0.2-3.0
Material: plastic
Probe Length: 50mm / 1.967in length Probe (only), 48mm / 1.89in length(not included black band)
Cable Length: Cable (only): 130mm / 5.12in length
Main unit size: 190 x 120mm / 7.48 x 4.73in
Battery: 1 * AA
Feature 1: An electro-tester for testing pH and chlorine (Cl2) levels in water for routine monitoring of pH and chlorine levels of swimming pools, spas and different water sources
Feature 2: Large screen shows the test result on both PH and Chlorine level for easy reading
Feature 3: Chlorine calibration for more accurate testing.