Key features and benefits - Wide applicability for business and home environments: Suitable for commercial glass doors and residential entry doors, with versatile use in garden fence areas. Designed to adapt to a variety of living or business spaces without placement restrictions. - Time-saving wireless setup: No drilling or wiring required. The doorbell is ready to operate immediately after pairing, enabling fast and hassle-free installation. - Stable and reliable wireless performance: Interference-free transmission with strong wall penetration and extended range, providing a dependable doorbell experience in real-world layouts. - Efficient battery life: Built-in sleep mode reduces energy consumption, allowing longer battery life for dependable operation in homes or offices. Use scenarios - Retail storefront with a glass door: Install on an exterior wall near the entrance. Wireless setup means no electrical work, and the doorbell can alert staff from a distance without compromising shop aesthetics. - Residential entry in a home or apartment: Place on or near the main door to ensure reliable alerts inside, even through walls. Easy relocation if you renovate or reconfigure space. - Garden or fence gate access: Mount at a gate or fence line to notify you when visitors arrive, with extended range ensuring you receive the alert inside the house or shed.