Bai's Aquamaster line of waterproof clocks are all sealed with double rubber rings for weatherproofing. They can be used outdoors, indoors or by the pool in any weather conditions. This 10.5" version is fitted with a quality silent quartz movement with sweeping second hand. Screened metallic blue and black designs on matte white PVC dial. Molded ABS thermo plastic bezel, glass lens and spray-painted metal hands. Requires one AA battery to operate. Gift-boxed.