TEMPUS Contemporary Wall Clock with Silent Sweep Quiet Movement, Plastic 13", Black Finish Safety Brand Name: Ergodyne Color Family: ACMI AP nontoxic certified Brand Name: Ergodyne Color Family: Black Hard Hat & Helmet Accessory Type: Liner Material of Item: Polyester Selling Quantity: 12 Selling Quantity (UOM): Carton Series or Collection: N Ferno True Color: Black 1100SF 2XL Black standard back support is adjustable and detachable with the stretchable zig zag stitching Batteries Included: No Brand Name: Tempus Clock & Timer Type: Wall Clock Clock Case Color: Black Clock Case Material: Plastic Clock Display: Analog Clock Face Color: White Clock Number Type: Arabic Standard Clock Special Features: Quartz movement Clock Style: Transitional Clock Theme: None Clock Type: Wall Depth in Inches: which allows the second hand to "sweep" around the dial and eliminates all annoying ticking sounds