Interlink Electronics Inc. received an order valued at $880,000 from an existing medical customer. The Westlake Village sensor technology company will begin delivery of the product for the unnamed customer starting in October through June 2019. Chief Executive Steven Bronson said the customer recognizes Interlink as an industry leader. “Our proven track record … demonstrates that we are the partner of choice for strategic customers in the medical market,” Bronson said in a statement. Interlink makes touchpads and computer mouse products for rugged environments such as oil refineries, automobile assembly lines and machine shops. It also serves the medical device market. The announcement of the order was made on Monday. On Wednesday, shares of Interlink closed down 13 cents, or 2.9 percent, to $4.43 on the Nasdaq.