Wind Direction Anemometer Teaching Instrument Light Meter Cup Vane Wind Level 30m / S With Wind Direction Electronic Power Testers and has a drainage design

and has a drainage design on the bottom or sides

ignore the difference

it can also be used to measure environmental noise

It can be widely used in environmental protection、improve air circulation、air conditioner、Systems

Wind Direction Anemometer Teaching Instrument Light Meter Cup Vane Wind Level 30m / S With Wind Direction Electronic Power Testers and has a drainage designShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION]Packing List Because our store does not cooperate with any logisticsThis product can only be picked up by customersBy placing an order, you agree to this regulation ^_^: 2846636cabca9fee7cc006b37899e23e