TECKNET Wireless Doorbell 1312FT, IP67 Waterproof Classroom Doorbell Battery-Powered Door Bell, 60 Chimes 5-Level Volume, 4.5-year Battery Life, Electric Doorbells No Plug-in Required for Home

1312 ft Extreme Long Range & Anti-Interference: Powerful 1312 ft wireless signal in open areas. Stable connection through walls across large homes, warehouses, or classrooms without interfering with other devices.

Battery-Powered for Ultimate Portability & Flexibility: Fully battery-operated, no power outlet needed. Place receiver on desk, carry to garden, or move anywhere. Perfect plug-in alternative for renters.

Superior IP67 Weatherproof & Durable Build: IP67 rated – fully dust-tight and protected against water jets. Reliable in heavy rain and snowstorms for years.

60 Chimes, 5 Volume Levels (0-110dB) & Silent Mode: 60 unique melodies, 5 volume levels up to 110dB, plus silent mode. Bright LED flashes visibly in silent mode for notification.

4.5-Year Long-Lasting Battery Life: Transmitter delivers up to 4.5 years of battery life under normal use. Low maintenance, no constant replacement costs.

Smart Memory Function & Easy Setup: Remembers last melody and volume after power loss or battery change. Pre-paired for one-minute setup – just install batteries.

Lifetime Support: 36-month warranty upon registration. Contact professional customer support for any product issues.