1.Adjustable Volume, 50-80dB

 2.48 kinds of melodies for choose

 3.Unique design with touch button 

 4.Outside operating range up to 180 meters

 5.Flashing LED light and water proof function with IP44

 6.Protected from the interference of other cordless products 

 7.Different plugs to meet different voltage standards (Euro/US/UK etc.)

 8.Easy to install and use

 9.CE, RoHS, LVD,EMC certificates

H-538 Technical parameter

Use with：Transmitter+receiver

Working Frequence：315/443MHz

Transmitter Working Voltage：≤12V

Transmitter Power Consumption：≤10mw

Receiver Working Voltage：AC（110-220）V/(50-60)Hz

Material：ABS

Net Weight：0.14kg

Transmitter size ：98mmx40mmx20mm

Receiver size：126mm x 78mm x 32mm

Packing：48pcs/carton