1、STABLE AND RELIABLE: Caregiver pager system, with high performance wireless technology, is suitable for all kinds of places, meets the needs of large scale use, and has remarkable paging effect. 2、STYLISH AND PORTABLE: The receiver display adopts fashionable and modern design, which complements the beauty of the environment. Compact call button, easy to move, call anytime, anywhere. 3、EASY TO USE: Wireless pager system is easy to use, the display shows the time, year, month and day, accurate and convenient, easy to record the call time, improve work efficiency. 4、MULTI APPLICATION SCENARIO: This wireless calling system is suitable for various places such as home, hotel, bar, restaurant, factory and so on. Provides a convenient and efficient communicatie solution. 5、WATERPROOF AND SENSITIVE: Wireless call button system with a transmission distance of more than 200 meters, IPX4 waterproof rating, high sensitivity receiver, reliable and durable. Item Type: Wireless Pager System Material: ABS Model SU 620 Display Receiver: Operating Frequency: 433.92MHz Size: Approx. 210 x 140 x 30mm / 8.3 x 5.5 x 1.2in Receiving Sensitivity: -105dB Decoding: Learning Code Waterproof Rating: IPX4 Operating Temperature: -20℃-60℃ Button Transmitter: Operating Frequency: 433.92MHz Battery Type: Lithium Battery Battery Model: 2 x CR2032 Single Transmitter Battery Capacity: 240mAh (Included) Transmit Current: 10mA±3mA Standby Current: <1uA Open Distance: More Than 200m/656ft Keystroke: 1 Million Times Waterproof Rating: IPX4 Operating Temperature: -20℃ to 60℃ Dual Keys: CALL, CANCEL 30 x Desk Call Button 30 x Adhesive Stickers 1 x Power Adapter 1 x Receiver 1 x User Manual