Jonard Tools - Pocket Continuity Tester & Toner w/ Voltage Protection Mechanical Locks Aside of its small size

Aside of its small size and ease of use

Less than 95% RH Storage Temperature 10° C to +35° C (50° F to 95° F)

self centering and locks onto the door edge securely

690 - Dark Bronze Painted Maximum Door Weight: 200lbs Door Width: 36 - 48" Housing Depth:  3-1/2" Housing Height:  8" Housing length: 8-1/2" Projection from Wall: 3-1/2" Mounting Style: Parallel

and other important assets

Jonard Tools - Pocket Continuity Tester & Toner w/ Voltage Protection Mechanical Locks Aside of its small sizeDesigned to identify cables in an MDU and detect troublesome short circuits, this pocket continuity tester and toner is perfect for testing cables up to 5,000 ft (1,500 m) on the go. This tester features the following: Loud tone identifies line carrying signal LED light indicates splitters, DC shorts, and other self grounding devices in cable Manual ON OFF switch preserves battery life Voltage protected up to 52V Right angle male push on connector is