This scale is a performance and safety oriented mini crane / hanging scale that features sound mechanical design and advanced electronics.
Specifics:

Color:Black
Weight: 0.62kg
Auto Off: 3 Mins
Unit: KG / LB / N
Capacity: 300kg / 600lb
Accuracy: 0.1kg / 0.2 lb
Display: LCD Illuminated
Product size: 150*80*25mm
Power: 1.5V X 2AAA batteries (included)

Features:

Stainless steel load receptor
Auto zero resetting/power off
Over-load/Low battery indicator
Quality integrated circuit and durable load cells
Portable， versatile， accurate， reliable， and very easy to operate.

The function of the button:

ON/OFF: To turn on/off the crane scale
HOLD: Lock the weight of items
UNIT: Convert units between kg， lb， N
TARE: To make reading to zero

Package Included:

1 X Crane scale
2 X AAA batteries (installed)
1 X English User Manual