Sell Queue Wireless Calling System 3-number receiver host +1 keypad caller best price

Keypad : It call number from 001-999.It can call back any number and recall any number.It with a next key,press Next+ENT ,then number will goes to next number. Display : It can be wall intalled or desktop style.and can dingdong beeper or promot english voice to announce number change. Display voice mode,volume ,promot times,Brightness can be adjustable. How to work: give a numeric serial number within 999 to the customers, when order is ready just press the number you want to call, the wireless display will voice accompanied by number display on the screen, easy to alert the guests their food is ready, user friendly operation; NOTE; Great for government offices, pharmacies, retail, patient waiting areas and anywhere waiting line flow can be improved .Eliminates waiting lines. Customers can browse and/or relax without fear of losing their place in line K-999B keypad 1. With high strength ABS material cover 2. Using digital code technology 3. It can call 999 persons 4. It have 4-digit number: first digit show zone number and last 3-digits show current number 5. With Clear, Next, Reset function Technical parameters: Signal Range: >200M in open area Working voltage: DC7.5-12V Working current: <20mA Dimension: 86*86*20mm Color: black, white K-302 display 1. With high strength aluminum alloy shell 2. Use digital code technology 3. Wall mounted Desktop 4. Show 3-digit number, work with 999pcs button in max 5. It can save 63 calling info in turn 6. Antenna can enhance the distance 7. Dimension: 220*120*40mm 8. Output: DC12V 9. English Prompt voice or common type with "dingdong" only