This is a handmade metal case unit has some light marks nothing major. Please view pictures The Rigsmith NS3 Dub Siren is a versatile piece of pro audio equipment tailored for musicians and DJs. Handmade in a durable metal case, this dub siren offers built-in effects and a variety of modes to enhance your audio. With its compact design and battery-powered functionality, it provides convenience and portability for on-the-go use. The Rigsmith brand ensures quality and reliability in this innovative signal processor, making it a valuable addition to any musician’s arsenal. Experience the iconic sound of the NS3 echo dub Siren, a modern take on the classic 1970s NJD SE1 style dub siren Compact and portable, this siren runs on a 9V battery or power supply, making it perfect for both studio and live performances. Controls Top row (left to right) 4 x different tones 4 x different Modes 3 x Speed + Off position Volume pot Controls Bottom row (left to right) Delay (Length of the echo) Feedback (intensity of echo) Trigger Switch + Tone and Siren(original 1970 functions) Back 2x Phono Connector Line out Power LED Power Switch 2.1mm DC power connector (tip +, 9V DC, PSU Not included) Dimensions: 4 cm H, 15 cm L, 9.5 cm W Runs on a 9 V PP3 battery or power supply, 9 V dc Centre Positive with 2.1 mm plug.