Specifications:
1) Distance response:
a) Standard: 30 - 180cm
b) Option: 30 - 120cm, 30 - 150cm, or 30 - 200cm
2) 4 sensors in back (with 3m cable )
3) Working temperature: -40  80oC
4) Working voltage: 10 - 15V DC
5) Display: VFD style with three blue color digital shows the distance
and three bands beep switch with high, low, off as options.
Mini-USB socket connects with 6.5 m display cable.
6) Sensor dimensions: 18 - 25mm, 9 different types sensor as options,
including attachable, and flashing type.
7) 4-sensor system
8) Sensor colors available include red, white, black, silver, green,
and blue
9) Includes 18-22mm drill bit
10) All connecting wires are included
11) English instruction manual

Inner packing:
Dimensions: 268 x 190 x 56mm

9) Outer packing:
Carton dimensions: 372 x 190 x 56mm
G.W.: 1.25kg