Key features: Portable Design: No need for WiFi or power plug—use it anywhere, indoors or outdoorsLong Battery Life: Receiver runs up to 36 months on 3 AA batteries (not included), with sleep mode to save powerRGB Light Alerts: Lights flash when someone rings—great for people with hearing loss or when quiet is neededCustom Settings: Pick from 58 tunes, 5 volume levels, and it remembers your choices even after turning offWide Coverage: Strong signal range for larger areasWeatherproof and Strong: IP68-rated button works in all weather, from -20°C to 60°C (–4°F to 122°F) Specifications: Receiver Input DC 5V Volume Levels 5 adjustable levels (25–90 dB) Receiver Battery Capacity 1200mAh Receiver Standby Current ≤ 150 μA Transmitter Battery CR 2032 Music Options 58 different tones Waterproof Rating Transmitter: IP68 Working Frequency 433.92MHz ± 0.5KHz Open Area Range 980 feet (300 meters) Indoor Range 160 feet (50 meters) Operating Temperature -20°C to 50°C (-4°F to 122°F) Optimal Temperature Range 20°C to 40°C (68°F to 104°F)
