Hanging Basket Rattan Chair Bird's Nest Chair Rocking Chair Balcony Single Person Rocking Chair Net Red Rocking Chair Lazy Swing Claw Hammers Extension of measurement range2Times2000 m/min，The

Extension of measurement range2Times2000 m/min，The calculation time is reduced to1/10achieve10 ms，It can be used to measure the speed and speed of high-speed elevator。The elevator speedometer gently contacts the sling pulley of the elevator traction machine，You can measure the speed of the elevator。The indicator is redLED，Easy to observe and identify。Dark places，It is also convenient to read test data。In addition

Model: A3/A3-S

five layers of protection

crease free cylinder

Hanging Basket Rattan Chair Bird's Nest Chair Rocking Chair Balcony Single Person Rocking Chair Net Red Rocking Chair Lazy Swing Claw Hammers Extension of measurement range2Times2000 m/min，TheShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] Introduction: Frame of high strength, high toughness, strong and durable, steel pipe spray, fine texture, rust prevention