Clock Face: 3.875 in diameter
Alarm mode: Beep
1x1.5V AA battery (Not included)
Shockproof silicone cover
No Assembly Required
30-day manufacturer's warranty against defects - normal wear-and-tear, and misuse excluded. Rigorously tested to ensure that all parts are lead-safe, bpa-free, phthalate-free, and conform to all rules and regulations set forth by the Consumer Products Safety Commission.