vibration sensor
AmmetersMaterial: ABSColor: silver blackSize: 92*63*14mmUpgrade:Wide range of testing including C AA AAA D N 9V (6F22) batteries and 1.5V buttons9V: PP3 MN1604 6F22 006P1.5V: AAA HP16 MN2400 R03 AA HP7 MN1500 UM3 C HP11 MN1400 SP11 LR14 UM2 D HP2 MN1300 SP2 R20 UM1 various button batteries