Item Type: Distancing Keeping Pagers Weight: 1430g / 50.44oz Material: ABS Acrylic Base Size: Approx. 23x15.7x3.5cm / 9.1x6.2x1.4in Pagers Size: Approx. 10.5x5x1.2cm / 4.1x2.0x0.5in Color: Black Battery: Lithium ion battery 200mAh (receiver shipped with built in battery) Applicable Frequency Band: 315MHz Use of Power: DC12V Quantity: 16 Pcs Prompt Mode: Vibration Beep Light flashing Suitable For: Restaurants, bars, cafes and other places that need to queue 1Stable and Heat Dissipation: High performance noise reducing coding and decoding circuit, fast heat dissipation and high stability. 2The Launch Distance is Far: Take the food device launch distance is super far, guests can sit at any position in the store, but also to the nearby shopping, waiting for the food device to remind to receive meals 3Prime Materials: The picker is made of ABS engineering plastic, exquisite workmanship, durable and fall resistant long service life to save store costs. 4Good Performance: The communication distance is about 200 meters in the open distance, the alert mode will be accompanied by vibration, beeping sound and light flashing. 5Practical and Convenient: The system contains 16 pieces pagers, convenient for guests, guests can rest in the empty seats after ordering, without waiting in line at the bar. 1 x Base 16 x Receiver 1 x Manual 1 x Plug 16 x Film 16 x Digital Paper