Specifications:

• Watch size: 55* 45* 18mm
• Watch power: USB interface
• Watch Color: Black
• Warranty: 12 months
• Standby time: 30 days in good condition
• Receive sensitivity: 110 dbm
• Range: 800 meters(Open area)
• Product name: Wireless calling system
• Pager size: 57.5*57.5*7.2mm
• Pager power: 23A 12V battery
• Origin: CN(Origin)
• Number display: 4 number display 0001-9999
• Mode: Vibration or ring
• Material: ABS plastic
• Frequency: 433.92mhz
• Capacity: 500 pcs of pager transmitters
• Button color: Totem or wood grain
• Brand Name: JINGLE BELLS
• 4 number display: 0001-9999 and A.B.C.D etc