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 door, 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. The magnetic operation takes care of the rest. Small size alarms are convenient and unobtrusive. Their white design does not degrade 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 - receiver distance must not exceed 10mm). OUR RANGEOur offer includes many accessories and home products from our Navaris brand. Take a look! TECHNICAL DATA Transmitter dimensions: 9 x 3 x 2 cm / receiver: 5 x 1 x 1.5 cm Batteries: 2x AAA 1.5V per alarm (included) Volume: 100dB Maximum distance between transmitter and receiver: 10 mm INCLUDED IN DELIVERY 4x wireless alarm 4x magnet receiver 8x AAA battery