FEATURES / DESCRIPTION• WIRELESS DESIGN• BATTERY OPERATED• EASY TO INSTALL• STRONG ANTI-INTERFERENCE SYSTEM• LOW POWER CONSUMPTION• WEATHERPROOF TOUCH SENSOR TRANSMITTER WITH LED INDICATOR• SUPERHETERODYNE LEARNING CODE IS APPLIED, WHICH SETS UP THE SPECIFIC MELODY SELECTED BY EACH INDIVIDUAL TRANSMITTER THAT HAS SYNCHRONIZED WITH THE SAME RECEIVER.• COMPLIES TO IMDA APPROVED POLYPHONY SOUND : 52DISTANCE COVERAGE : UP TO 50 METERSBATTERY : 3 X AA (NOT INCLUDED) MODEL NO.: DD-123PACKING DIMENSION: L24cm x W4.5cm x H22cmWEIGHT: 0.3KG How to Operate?1. Tap the volume button to control the volume of melody. There are 5 adjustable volume levels: higher, high, medium, low and mute.2. Tap the melody selection button to select the melody you like. There are 52 different melodies. Code Learning1. First, select your favorite melody by tapping the melody selection button.2. Remove the battery cover of door chime.3. Tap and hold the touch button, and using a small screwdriver or alternative tool to press the button located on the top left corner of battery compartment, then release both buttons.4. Tap the touch button again. If a melody is heard, then code learning application is successful. If not, repeat the above steps to learn the code again. Warning1. Please do not dismantle the unit and repair it yourself. This is to avoid any breakdown of components or create hazard.2. Please use good quality alkaline batteries.3. Please keep the unit away from objects or areas with electromagnetic field/ moist/ high temperature.4. The effective range of the unit depends on location, temperature and battery condition.5. Send it to the authorized distributor if repair of unit needs to be done.
