• Range of more than 150 m (300 m in open area) with remote control transmitter button, rated as IP33 waterproof, ideal for outdoor use. • Offers more than 50 different tones and four adjustable volume levels, from 25 dB to 110 dB. • The receiver easily plugs into a power outlet without the need for batteries. CE, FCC, RoHS certified. • Includes 1 plug-in receiver, 1 remote transmitter button, double-sided adhesive, anchors, screws, and battery for the remote transmitter. • Product dimensions: 3.8 cm wide, 8.9 cm high, and 8.3 cm long. Weight: 0.113 kg. • The package includes: 1 push button (transmitter), 1 doorbell (receiver), 2 screws, 1 double-sided adhesive tape, 1 12V 23A alkaline battery for the transmitter, and 1 instruction manual (Spanish language not guaranteed).