CE, ROHS, ISO9001
L/C, D/A, D/P, T/T, Western Union, MoneyGram
1000units/month
Carton package
Blue, yellow, black, red
30m,50m, 100m, 200m, 300m, 400m, 500m
10uw~1000uw(water quality)
9V Lithium battery
Light, Buzzer, Electricity meter
-20 ~ +60degree