SQ-TC001-3 Type1. It is quipped with leather case and easy to carry. 2. With charge function and the charging time of 4 to 6 hours. 3. When the voltage is low, the instruction light does not light or no voice alarm. 4. The vibration mode can be chosen for sound & light alarm, so it can be used in the environment required for silence or the noisy environments * parameters: 1. dimensions: length410mm x width 85x height45mm 2. Working power supply: standard 9V laminated alkaline batteries 3. Alarm mode: Voice (vibration) light synchronous alarm 4. Product Weight: 409g

metal detector