The Ergotron SRVC-AMUSLA-S36M Silver 3-Year Service Contract for SV SLA powered carts is a thirty-six-month maintenance contract that includes next business-day onsite service by an Ergotron certified technician. It features a minimum of ten unit. Point of Sale (POS) eligible purchase—available for purchase after 90 days of hardware purchase. Service work performed during standard local business hours, Monday through Friday excluding Holidays. An after-hours service is available.