Size (W x D x H): Approx. 3.3 x 0.9 x 3.1 inches (8.4 x 2.2 x 7.8 cm); Product Weight: Approx. 3.2 oz (90 g) (including batteries)
Materials: ABS (Acrylonitrile Butadiene Styrene) resin, PMMA and Silicone rubber
Country of Origin: China
Power supply: CR2032 lithium coin type battery x 1 (test battery included)
Setting time: up to 99 minutes 59 seconds per second unit (countdown), volume: over 70 dB and the ring time: about 30 seconds, character height: 1.2 inches (30 mm), waterproof protection grade IPX5
