Power: one 9v alkaline batteryoperating frequency:50khz+-10%(sine wave)sensitivity:>=5cmindication:audio alert and led (red)alert.audio tone changes as the metal size changessilent operation: connect

Power: one 9v alkaline batteryoperating frequency:50khz+-10%(sine wave)sensitivity:>=5cmindication:audio alert and led (red)alert.audio tone changes as the metal size changessilent operation: connect

Product Name: Ultrasonic Distance MeasurerModel Number: 219-016Place of Origin: ChinaSpecifications:1) Range: 0.61 - 12m (2 - 40ft)2) Accuracy: +/-0.5%+/-1 digit3) Power: 1 x 9V4) Auto power off5) G/B

Product Name: Ultrasonic Distance MeasurerModel Number: 3004Place of Origin: ChinaSpecifications:1) Range: 0.61 - 12m (2 - 40ft)2) Accuracy: +/-0.5%+/-1 digit3) Power: 1 x 9V4) Auto power off5) G/B di

Product Name: Ultrasonic Distance Measurer with CalculatorModel Number: 219-015Place of Origin: ChinaSpecifications:1) Range from 3ft -60ft (0.9m - 18.30m)2) Auto meter or feet conversion3) Three memo

Product Name: Ultrasonic Distance Measurer with Laser PointerModel Number: 219-014Place of Origin: ChinaSpecifications:1) Range from 3ft - 60ft (0.9m - 18.30m)2) Auto meter or feet conversion3) Accura

Specifications:1) The breath alcohol tester can be for accurate detection of alcoholin the breath2) Advanced nm semiconductor alcohol sensor3) Quick response4) SMD assembling, stable performance5) Sma

Specifications: 1) The breath alcohol tester can be for accurate detection of alcohol in the breath2) Advanced nm semiconductor alcohol sensor3) Quick response4) SMD assembling, stable performance5) S

Reference no: common coil nail&stainless-steel(from 2.0mm-3.3mm)