Enhanced Communication: Streamline your restaurant's service with the Wireless Calling System. This comprehensive kit includes 3 table call buttons and 1watch pagers, ensuring efficient communication between guests and staff. Long-lasting battery life and standby,The watch adopts low power consumption design, and the rechargeable model has a built-in large-capacity battery Provides long-lasting standby Long distance launch,Transmission distance in open areas reaches 500m Stable and durable operation Strong anti-interference ability Extremely sensitive and strong button touch Applied to a variety of services,Wireless food pickup devices are widely used in banks, Chinese and Western restaurants, teahouses, hotels, factories, hospitals, offices, leisure clubs, etc. Durable and Reliable: Built to withstand the bustling environment of busy restaurants, our wireless calling system is both durable and reliable, making it an essential tool for enhancing service efficiency and guest experience. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. voltage: AC100-240V Specification for CTT19 Call Button: Model:CTT19 Modulation Mode:ASK (AM)RF Frequency:433.92MHz Working Chip:Learning Code Power Supply:CR2032 Cell Battery (included) Transmission Distance:Up To 100 Meters (in open area) Working Temperature:-20 ℃ to 55 ℃ Transmitting power: 13dBm Specification for CTW06 watch pager: Capacity:500 pcs of pager transmitters Alert Mode:vibration,ring or flash Receive Sensitivity:-110dbm Storage:20 calling numbers(for queuing) power supply mode:250mAh lithium battery Standby Time:7days (in ideal conditions) Frequency:433.92MHZ Compatible with:1, 2, 3, 4, 5 buttons Colour:As shown Material:plastic Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences OrColor Differences, Which Does Not Affect UsePackage Contents:1 * Wrist Watch Pager3 * Call ButtonsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.