Trintec 12 & 24 Hour Military Time Swl Zulu Time 24hr Wall Clock - White Dial DSP02 Injection molded from high impact styrene and features an acrlyic lens for durability and scratch resistance. Quality American made Quartz clock movement for accuracy which will provide many years of reliable service One "AA" alkaline battery required This product comes with a one year warranty. Proudly Made in Canada