Applicable to the magnet,
manual and automatic switch.
Magnet way in range can be up to 35 km (using light covered wire)
Every phone has a serial number and the factory only inspection certificate label, waterproof shockproof, alloy shell, quality excellent.
Add: Floor 24 Block C,Haineng Internal No.6 Jinyu Road, Rencheng Zone Jining City Shandong Province