How much does this cost to the nearest dollar?

Retekess TD156 Pagers for Restaurants,Restaurant Waiting Waterproof Buzzer,Timeout Reminder, 10 Pagers for Food Truck, Medical Office, Clinic
Long working distance; restaurant pager signal is stronger and more stable; transmit up to in open area Built-in 3.7V 500mAh rechargeable lithium battery; restaurant buzzer standby time is up to 48 hours; no need to charge frequently Switch reminder modes at will; vibration; buzzer; LED flash any combination; to meet your needs in any situation Adjustable reminder time; restaurant pager system prompt time 00-99s adjustable; meet the needs of different occasions Service countdown function; pagers for restaurants service countdown reminder time can be set from don't worry about the customer missing the call Out of range alarm function; when

Price is $300.00
Price: $299.99