WirelRestaurant Pager System Touch Panel WirelCalling System beeper for Coffee Shop Restaurant Guest Queue Pager SystemNotice: The charger for this product is a EU plug, Some countries and regions may need to purchase suitable plug adapters themselves.Pager can ring, vibrate and flash.The distance between transmitter and pager is almost 500 meters in open area.Frequency: 433MHzPower: Input: AC 110-240V, 50/60Hz;Output: DC 12V/2APager battery: Built-in 3.7V I 200mAh rechargeable lithium batteryOne transmitter can be equipped with up to 998 pagersPlug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so onVoltage:AC100-240VColor: BlackMaterial: plasticPackage Contents:1 * Host20 * ReceiverrsOnly 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.