Easy to Use Event Timer! Ideal for students and volunteers. Measures to 10 hours with 1/100 second resolution, silent operation for classroom and testing purposes. Water resistant, five-year lithium battery and five-year warranty.

5 year warranty. Lithium battery; water resistant; includes lanyard. Measures to 10 hours; silent operation - no beep. No other features; ideal for volunteer timers. Start/stop and reset.

Human Interface Input: Buttons. Item Weight: 0.25 Pounds. Product Dimensions: 0.81"D x 2.63"W x 3.25"H. Brand: Ultrak. Color: Black. Date First Available: September 16, 2003. Best Sellers Rank: #84,495 in Sports & Outdoors. Customer Reviews: 4.2 out of 5 stars 204 ratings 4.2 out of 5 stars. : B0000C1XTN. Sport Type: ?Multi-Sport. Part Number: ?410. Manufacturer: ?Ultrak. Number of Items: ?1. Suggested Users: ?Unisex-adult. Color: ?Black. Brand Name: ?Ultrak. Item Weight: ?0.25 Pounds. Item Dimensions LxWxH: ?0.81 x 2.63 x 3.25 inches. Package Weight: ?0.25 Pounds. Item Package Dimensions L x W x H: ?7.8 x 4.6 x 1 inches.