2.4GHz wireless control for ceiling fan and decorative ceiling fan; wireless control distance: 15Meter 360degree freely control,no need aim the receiver base Speed adjustment by capacitor,more safe and more highly efficiency; Apply to ceiling fan and decorative ceiling fan; Suitable for home, factory, hotel, office, etc; Handset: Radio frequency: 2400MHz(International Universal Frequency) Battery: 2 x AAA batteries Operation current: 5mA(1000mA battery to keep work 200 hours) Standby current: 1uA(same the remote of TV) Dim.:131*41*17mm Wireless operation distance: 15Meter Receiver: Radio frequency: 2400MHz(International Universal Frequency) Operation voltage: AC100-120V / AC220-240V For 220-240V receiver base:Ceiling fan power not exceed 100W;Light Power not exceed 160W For 100-120V receiver base:Ceiling fan power not exceed 80W;Light Power not exceed 80W;