All stainless steel shell, pioneering a 30 meter drop without damage

Size: (Length X Width X Thickness) 105X43X25mm

The patrol device comes with BP machine sound and light reminder patrol function

Multiple routes can be directly edited in the patrol device

Can have vibration prompts to guide patrol routes

Can edit event function

3.6V lithium manganese battery with over 1 million card reads

External imitation rubber plastic jacket wrapping