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Wholesale China Security Guard Rounds Checklist Manufacturers -
Z-6700D Online Security Guard Patrol System - ZOOY
IP67 Waterproof Available in rainy, dust and snow environment Alarm Clock Prevent your guard missing patrol Technical Data Network supported bands 4G(customized) FDD-LTE:800/1800/2100/2600MHz(B1,B3,B7,B20) TDB-LTE:2600(B38)/1900/2400/2500MHz(B39,B40,B41)...