【童愛模型】Prolux新型測轉速器，2-9葉槳都可用，特720元

cute969211

#2711

Character:
1.It looks fancy and compact in size.Very handy to use.
2.It measures 2 ~ 9 blades prop rpm.
3.It shows 4 digits in a 0 ~ 99,999 rpm range.Multiply the readout by 10 for final rpm reading.
4.It comes with a replaceable 3V LITHIUM battery.
5.There is an auto shut-off function after five minutes when no signal received.
6.When the LOW BATTERY icon is on,the battery needs to be replaced.
7.It needs a little electronic power (0.02mA) when the tachometer is not in use.This depends on battery's capacity for life of battery.
8.Display and memorize the maximum rpm value.