Features:   1. 2 in 1 wall bolt locator and liquid level indicator.   2. Used to detect wood, metal, wires and AC cables. The measurement level switched with the unit °/%.   3. Keep function, easy to read data when moving the device.The button is effective and easy to control.   4. Automatic/manual shutdown, saving a lot of energy. Low battery indicator and buzzer indication.   5. 3 switchable scanning modes: 1/2 inch (13mm) bolt, 1 inch (25mm) bolt and 1 inch (38mm) 1/2 bolt. 2-inch LCD screen with green backlight.            Description:   The button is effective and easy to control and this product is a detector used to detect wood, metal, wires and AC cables.         Specifications:   Material: ABS   Power supply: 1 * 6F22 9V battery (not included)   LCD screen size: 42 * 32mm   Product size: 153 * 66 * 37mm   Weight: 192g   Color:black+red         Package Included:   1 * Detector(without battery)   1 * Manual (English)       Notes:   1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.   2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.