Overview: Can automatic adsorption non-contact eliminate static.1, will be close to with static products (such as the door keyholes, body, metal doors & Windows, metal pipes etc) on objects discharge, discharge if you reach a certain voltage, they emit light hint.2, often with fingers hang metal parts, the human body can ease the electrostatic & release.3, often placed in the easy generation electrostatic place, can help alleviate electrostatic gathered. Warning: this product contains magnetic materials, please do not use in the forbidden by a magnetic field, such as credit CARDS, mechanical watches, precision instruments, etc, for this cause of magnetized may lead to these items of fault & damage. Specification: Weight Approx:64g Size Approx:13.3 x 6 x 3