set2: 1 x Battery Disconnect Kill Selector Switch + 1 x Coin Cell Battery Holder CR2032 Battery Mount Module Just like the original Coin Cell Battery Holder, this simple board holds a 20mm coin cell battery (such as a CR2032) and gives you 4 connection points (two positive and two negative) for sewing into your project 6V-24V 125 Amp Battery Quick Disconnect Kill Switch Power off when turn the switch (green color) to the "off " position . The vehicle start again when turn the switch to "on" position properly Prevent unwanted battery drainage during storage The green knob can also be completely removed to deter theft. It is made from a high-conductivity zinc alloy and brass plated to prevent Suitable for battery pile head: 15-17mm Battery is disconnected by unscrewing the green knob and reconnected by tightening the knob Type: H Name: Battery Switch Color: green/ Material:CCL/Alloy copper plating Package Included: 1 x Battery Disconnect Kill Selector Switch 1 x Coin Cell Battery Holder CR2032 Battery Mount Module Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.