Orger Matte Black Privacy Door Knobs Interior, Zinc Alloy Keyless Black Door Knobs with Lock for Bedroom and Bathroom, Knurled Heavy Duty Square Base Modern Doorknobs, 1 Pack June_2023_update -How tone controls should be

-How tone controls should be set for flat response

2-Inch-by-7/8-Inch

Low Battery Indication Battery Replacement Power supply :9V battery(Not Included) If your tachometer meter does not power on as usual or the low battery icon appears on the LCD display

4X stainless steel thread Eye Bolts

LED Head Diameter : 5mm

Orger Matte Black Privacy Door Knobs Interior, Zinc Alloy Keyless Black Door Knobs with Lock for Bedroom and Bathroom, Knurled Heavy Duty Square Base Modern Doorknobs, 1 Pack June_2023_update -How tone controls should beOrger Matte Black Privacy Door Knobs Interior, Zinc Alloy Keyless Black Door Knobs with Lock for Bedroom and Bathroom, Knurled Heavy Duty Square Base Modern Doorknobs, 1 Pack Product Features Keyless Privacy Door KnobsOrger black interior door knobs is ideal for where privacy is needed, such as bedrooms and bathrooms. The black door knobs come with no keys and push inside button to lock and use tools to unlcok if emergencies from outside. Stylish