... Tour Reader: •Plastic-steel design; anti-broken, waterproof, shockproof. •Well damp-proof, anti-static & anti-interference. •No contact, buttons ... Store guarder's information [Description] Plastic shell, waterproof, anti-magnetic, shockproof; performance of high/low temperature resistance is ... bus transfer and so on.What’s guard tour system? Guard tour system is management device which can supervise ...