Thước đo khoảng cách bằng sóng siêu âm với đèn laser tại Lotte Market

Giới thiệu Thước đo khoảng cách bằng sóng siêu âm với đèn laser tại Lotte Market

Description:
This Ultrasonic Distance Meter + Laser Pointer is a perfect tool to quickly know the distance, area and volume of a room!
It can measure distances in a straight-line from 2 Feet to 60 Feet.
Your distance measurer transmits ultrasonic waves to a point you want to measure
Perfect for realtors, builders, and anyone who needs a measurement or room’s area quickly
Ultrasonic distance measurer With laser point aiming, with LCD screen, Power auto off within 30 second
Can detect link temperature, Can detect the ambient temperature
Specification:
Name: Ultrasonic Distance Measurer
Power: 1 x 9V Battery (battery not included)
Unit of measurement: Feet or Meters
Measure Range: 2 to 60 ft (0.50 to 18.288m)
Accuracy: 0.5%+1 digit(2~60ft)
Working Frequency: 40kHz
Working temperature: 32°F to 109.4°F (0°C ~ 43°C)
Size: Approx.115 x 75mm/4.5 x 3.0 inch
Package Includes:
1 x Ultrasonic Distance Measurer
Note:
Operation steps:
1. Open the on / off switch
2. Press the “READ” button to start. If idle for 30 seconds, it will automatically shut down.
The initial default unit is M, long press “SET” button for 3 seconds to switch between m/ft.
Measurement steps:
1. Press again the “READ” button after starting up, the laser beam is turned on.
2. Place the bottom of the device flat closely on the wall in about the middle position between floor and ceiling.