SL-030B Digital Hammer Surface Resistance Tester without Battery
SL – 030B host 1. Tester size: 170mm(H) 100mm(L) 40mm(W)[6.7” 3.9” 1.6”]. Battery life: 40 hours (continuous work). Low power consumption, the new battery can last for two years. Box key 2. Digital display of temperature and humidity.