1. Thickness: blade 2cm, max. 2.9cm.
2. Detects all conductive metals including ferrous, non-ferrous and stainless steel.
1. Electronic circuit: automatic self-tuning transmitter-receiver. 2. Operating frequency: 95kHz. 3. Operating voltage: 6.8 – 10V DC. 4. Sufficient voltage: green LED indicator light. 5. Operating current: 80mA typical. 6. Power: on/off switch. 7. Battery: 9-volt standard or alkaline batteries. 8. Weight: 280g. 9. Size: 31.5(L) x5 (W) cm.