Wireless Plug In Dual Entrance Door Chime System, 150m - 200m, White

• 58 ringtones
• Volume control up to 110dB
• Eye catching visual alert when doorbell can't be heard
• Hassle free installation, no running any wires
• Learning code prevents interference from other wireless transmitters
• Working frequency: 433Mhz
• Working temperature: -20°C - 50°C

Wireless plug in mains powered door chime solution. Simply plug receiver in and mount the 2 bell pushes in desired locations i.e. front and back entrance.