Zircon Stud Sensor Electronic US373810M Retains the factory OEM amplifier 600112R Retains the factory OEM amplifier in various Mitsubishi vehicles when installing an aftermarket headunit Be prepared for any situation with easy to use and durable two switch design STUDSL Stud Sensor Electronic Zircon The maker of the original StudSensor is now taking stud finding to the next generation First in a new line of product overhauls the StudSensor EDGE is a complete redesign of Zircon's most popular tool Its new patent pending pinch grip design features a body molded specifically to fit comfortably in the palm of your hand Locates the edges of wood or metal studs up to 19mm deep The end result is a secure hold in either hand at any angle providing a new level of ease comfort and utility to the user The EDGE also features a user friendly interface and improved SpotLite Pointer System which shines a bright arrow shaped beam on the wall to clearly identify the edge of the target The bevy of improvements and the revolutionary new design make it our best entry level stud finder yet