- Color: Black<br />- Material: ABS + plastic<br />- Detection range: 15~30 meters<br />- Alarm delay: 5 sec<br />- Easy operation<br />- Transmitter keychain was powered by 1 x CR1632battery (included)<br />- Receiver keychain was powered by 1 x CR2032 batteries (included)<br /><br />                                                                                                                                Dimensions: 2.01 in x 1.22 in x 0.47 in (5.1 cm x 3.1 cm x 1.2 cm)<br />Weight: 0.49 oz (14 g)<br /><br />