PJ-16 Intelligent Wireless Doorbell with 8-level Volume Adjustable & 36 Ringtones, EU Plug1. Use the industrys most stable music chip, load 36 chord ringtones, pleasant and wonderful. 2. The adjustable 8 level volume can meet the needs of different environments. 3. The doorbell has the function of power off memory, which can remember the volume before power off and the selected music. No need to worry about losing information. 4. Low power design, ultra power saving and durable use. 5. Working Voltage: AC110 240V 6. Wireless Frequency:

leaving it brighter and more radiant

held in the seat

WCDMA 850(B5)/900(B8)/2100(B1)MHz

This is just for reference

flip cover design

Hotter than cayenne

We call it STO system (Smart Trunk Opener)

2 x 12dBi 5GHz antenna) to achieve 300 meters of stable directional wireless coverage

USB interface transfer speed up to 20-25MB/s

only 4-5 seconds

Carrier frequency: 13

Two modes: Kids mode ( 85dB +/- 3dB ) and adult mode ( 102dB +/- 3dB )