Wireless Calling System, RF Technology 433.92MHz 30 Call Keys IPX4 Water Proof Adjustable Volume, with Digital Encoding Reception (US Plug)

Spec: Item Type: Wireless Calling System Material: ABS Display Receiver Parameter Description: Operating Frequency: 433.92MHz Receiver Sensitivity: 105dB Decoding: Learning Code Water Proof Rating: IPX4 Operating Temperature: -20°C to 60°C Transmitter Parameter Description: Operating Frequency: 433.92MHz Single Transmitter Battery Capacity: 60mAh (Built in) Transmission Current: 10mA±3mA Standby Current: Open Air Range: >200m / 656.2ft Key Lifespan: 1 Million Cycles Water Proof Rating: IPX4 Operating Temperature: -20°C to 60°C Four Keys: Call, Checkout, Order, Cancel How to Use: Use it directly. Package List: 30 x Transmitter 30 x Film 1 x Instruction Manual 1 x Display Receiver 1 x Supply Adapter

• Advanced RF Technology: Utilizing dependable RF wireless technology, this system supports up to 400 call keys, making it suitable for diverse environments such as restaurants, hospitals, and offices.
• Portable: Featuring a modern and stylish design, the call key is easy to move and set up. At the same time, the display time and call keys are customizable for easy management.
• Adjustable Volume Control, Stable Reception: Volume is adjustable. There are 30 levels available. Digital encoding technology ensures stable wireless reception over long distances.
• Multiple Alert Modes: Multiple reminder modes are available, with customizable alert sounds, providing an organized and efficient method for managing calls and notifications.
• Water Proof: Operating at a frequency of 433.92MHz with an IPX4 water proof rating, this call system is designed for dependable performance in a range of environmental conditions.