- Color: Black + silver<br />- Plastic material housing<br />- 63 channels<br />- Frequency: 315~433MHz<br />- Sensitivity: > -105dBm<br />- Standby current: 8mA<br />- Power off current: 1uA<br />- Built-in 3.7V 600mAh battery<br />- Caller was powered by 1 x 23A battery (included)<br />- Wireless calling system is suitable for all restaurants、 executive dining rooms、 karaoke lounges、 bars、 night clubs、 cafeterias、 etc.<br />- Provides better service with this set<br />- Package includes:<br />- 1 x Wristwatch receiver<br />- 10 x Caller<br />- 1 x Universal battery charger (AC 220V / 2-flat-pin plug)<br /><br />                                                                                                                                Dimensions: 8.66 in x 1.77 in x 0.94 in (22.0 cm x 4.5 cm x 2.4 cm)<br />Weight: 2.50 oz (71 g)<br /><br />