Based on this product's specifications, here are some alternatives and similar models
Wireless doorbell EMOS P5729 (model 3402044000) — battery-powered transmitter and receiver set
Summary description:
Wireless doorbell EMOS P5729 (model 3402044000) is a battery-powered transmitter and receiver set designed for easy installation without wiring. The kit includes a wireless push-button transmitter and a plug-in or portable receiver, providing audible chimes at the entrance. Suitable for homes, apartments, small offices and garages where a simple, battery-operated visitor alert is needed.