Smart Electronics Protect your home's doors and windows ANYWHERE AT HOMESecure your home in different places with the set of 4 alarms: front door, balcony door, garden, bedrooms, windows. EASYThe installation of the alarm does not require any tools or cables. Just stick it to a window sill or door frame using the adhesive strips included with each part. Magnetic operation takes care of the rest. Small alarms are convenient and unobtrusive. Their white design does not detract from the aesthetics of your room. NOTEMake sure that your apartment or house has the right conditions for setting up the security system, without accidental triggering (the transmitter distance - receiver must not exceed 10mm). OUR RANGEOur offer includes numerous accessories and products for the home from our Navaris brand. Take a look! TECHNICAL DATA Transmitter dimensions: 9 x 3 x 2 cm / receiver: 5 x 1 x 1.5cm Batteries: 2x AAA 1.5V per alarm (NO included) Volume: 100dB Maximum distance between transmitter and receiver: 10 mm INCLUDED IN DELIVERY 4x wireless alarm 4x magnet receiver