Retekess TW103 is a dual-way window speaker system, which makes

conversation easier

Speaker volume and microphone sensitivity can be adjusted

High-quality speaker and high-sensitive microphone, the voice is realistic and clear

Very easy to install, you can sticker the outside speaker on the wall or glass

Made of aluminum alloy, very durable

Retekess TD106 watch receive Key content can be customized Dot matrix LCD screen

7 prompt modes: light vibration and sound, combine freely

One number can learn more than one call button

IP54 waterproof TD106 watch receiver has a 400mAh rechargeable battery

Charging for 3-4 hours; standby for 48 hours