Specifications:

• Model Number: CTW05
• Watch size: 50* 42* 15mm
• Watch power: USB interface
• Watch Color: Black
• Warranty: 12 months
• Product name: Wireless calling system
• Origin: CN(Origin)
• Material: ABS plastic
• Frequency: 433.92mhz
• Capacity: 500 pcs of pager transmitters
• Brand Name: JINGLE BELLS
• Standby time: About 30 days
• Receive sensitivity: -110 dbm
• Number display: 2-4 digits /Time/A,B,C,D etc letters
• Mode: Vibration,beep
• Certification: CE