• 【Wire-Free Installation】No wiring required, plug and play design makes installation easy and convenient, especially suitable for homes where wall drilling is not desired or wiring is difficult.
• 【Strong Signal Penetration】Powerful penetration capability easily passes through walls with stable wireless signal and transmission range up to 200 meters.
• 【Rich Sound Options】52 melody choices with 4-level volume adjustment (including mute mode) plus LED flash reminder for comprehensive notification.
• 【Weather Resistant】IP44 dust and water resistant rating suitable for outdoor installation in various weather conditions.
• 【Smart Features】One-touch pairing, memory function that saves settings after power outage, and anti-interference technology for reliable operation.

Specifications:

• Frequency: 433MHz ± 0.5MHz
• Material: ABS
• Working Voltage: 85-265V AC (Receiver), 12V DC (Transmitter)
• Volume: 110dB (4-level adjustable)
• Music Options: 52 melodies
• Transmitter Battery: 23A 12V
• Wireless Working Range: 200 meters
• Waterproof Level: IP44
• Button Indicator: LED
• Transmitter Dimensions: 61mm (W) x 103mm (H) x 25mm (D)
• Receiver Dimensions: 76mm (H) x 45mm (W)