GB139 is an innovative device that will provide you with comfort and safety in your home. Forget about traditional doorbells - now you can enjoy advanced technology that adapts to your needs. GB139 is a wireless doorbell that does not require batteries to operate the transmitter. The transmitter works on the principle of a kinetic button which, when pressed, generates a pulse that allows sending a signal to the receiver. No need to replace the battery is not only an environmentally friendly solution, but also convenient and money-saving.

The bell's range is 150 meters and the transmitter has IP68 protection, so it can be used in any conditions. The ringtone offers a variety of sounds and melodies to choose from, so you can customize it to your preferences. Whether it's a subtle ringtone or a joyful melody - the choice is yours. GB139 is not only a practical solution, but also a modern decoration that will give your home an elegant look.

• Dimensions and weight of the transmitter: 80 x 50 x 28mm, 52g
• Receiver dimensions and weight: 95 x 53 x 49-70mm, 54-59g