This Honeywell Series 3 Wireless portable doorbell with volume control comes as a complete kit, with an extra pushbutton and sensor included. - Simple, reliable and hassle-free, the Honeywell Home DC313NGA doorbell comes with adjustable volume to suit your mood, and a LED strobe for added visual alerts. And thanks to Honeywell Home Activ - Link technology providing a reliable wireless connection, you know the doorbell will always work. - The Honeywell Motion Detector functions as a completely wireless and security add-on. For additional security purposes and an elevated peace of mind, the motion detector will alert you whenever someone approaches your home. This motion detector is also fully capable of monitoring movement within specific rooms in your home. An abundance of creative options and a sensing range of 12mtrs make this wireless motion detector an excellent selection for home and small business owners alike. - Features Compact design Up to 150m wireless range in free air Digitally enhanced sound with volume control Maximum volume of 84d - B carries up to 80m Choice of 6 melodies LED Strobe provides visual alerts Up to 2 years battery life Easy installation – no wiring required Detection Range (Motion Detector) – 12mtr @ 2.5mtr installation height Angle of Detection (Motion Detector) – 140° Fixings included for all products Batteries for motion detector not included Kit Includes: 1 x DC313NGA Honeywell Series 3 Wireless Portable Doorbell with Pushbutton 1 x DCP511A Honeywell Wireless Pushbutton with Nameplate & LED 1 x RCA902N Honeywell Wireless Motion Detector