- Securely set scheduled usage times for all kinds of electronics- Supports 110V~120V AC (60Hz)- Perfect for securing computers、 video games、 TV's、 DVD players from being accessed by children?during "school hours".- Locked with an included key                                                                                                                                Dimensions: 4.13 in x 2.36 in x 1.57 in<br />Weight: 11.96 oz