Yoidesu Wireless Calling System with 3 Wrist Watch Receivers 1 Transmitter, IPX4 Water Proof Wireless Intercom System for Restaurant Coffee Shop Nursing

Specification: Item Type: Wireless Restaurant Pager System Material: ABS Working Frequency: 433.92MHz Water Proof Grade: IPX4 Watch Receiver Parameters: Battery Type: Lithium Ion Battery Single Receiver Battery Capacity: 300mAh (Included) Working Current: 100±20mA (Vibration and Buzzer Mode) 75±10mA (Vibration Mode) Standby Current: 10±5mA Reception Sensitivity: -107±2dBm Decoding: Learning Code Operating Temperature: -20°C-60°C Transmitter Parameters: Transmitter Battery Type: 1 x Carbon Battery Battery Capacity: 240mAh (Included) Transmitting Current: 10mA±3mA Standby Current: Open Distance: >1000m / 3280.8ft ​: 1,000,000 Times Operating Temperature: -20°C-55°C How to Use: Direct use PackageList: 3 x Watch Receivers 1 x ​ Transmitter 3 x Charging Cables 1 x User Manual Notice:

• [RF Wireless Technology] The wireless calling system with watch receiver uses advanced RF wireless technology with an IPX4 rating, ensuring reliable performance in different environments.
• [Multi Channel Support] Equipped with 98 channels and customizable alert styles, this wireless intercom system ensures efficient communication across restaurants, coffee shops, bars, or care facilities.
• [Flexible Connections] One transmitter can connect with multiple wrist watch receivers, allowing versatile use for groups or individual communication.
• [Extended Battery Life] Each watch receiver features a 300mAh lithium-ion battery with standby and charging circuit guard functions, ensuring long lasting daily use.
• [SOS Safety Function] The transmitter buttons provides SOS alerts, making it especially useful for seniors or individuals needing assistance, enhancing safety and peace of mind.