Kit Pc 450 Waterproof Portable 500hrs , Each

Details:

Pc 450 waterproof portable kit 3 1/8 x 2 1/4 inch^ pc 450 waterproof portable kit, with combination probe, backlit lcd display, -2 to 16 ph, /-0.01 Ph accuracy, 200 ms conductivity, /-1% fs salinity, 2x aa batteries(included), 500 hrs battery-life, dimension: 3 1/8 x 2 1/4 inch