- Silicone + plastic material<br />- Unique alarm sounds<br />- Small and lightweight<br />- Lost alarm tracker for R/C helicopter<br /><br />                                                                                                                                Dimensions: 0.59 in x 0.51 in x 0.47 in (1.5 cm x 1.3 cm x 1.2 cm)<br />Weight: 0.18 oz (5 g)<br /><br />