• Slim appearance: the thickness is only 18mm, while the thickness of similar products on the market is more than 22mm
• 2000 mAh lithium battery: Both the outdoor unit and the indoor unit have 2000 mAh batteries. The outdoor unit works normally, presses 5 times a day, and the call lasts 2 minutes at a time. It can work for about 8 months, and the indoor unit works for about 1 week
• High-quality material: the button adopts plastic + silicone structure, and the surface has high-gloss UV process, which is super hand-feeling
• Intelligent and user-friendly design: there are intercom lights and power lights to display, which are clear at a glance
• Press the ring key and the indoor unit will ring. Press the TALK key to talk directly and use it as an intercom
• The charging stand for the outdoor unit needs to be removed from the rain cover and placed on the charging stand for charging
• Power key: 0 gear--off, A gear--A frequency, B gear- -B frequency. If interference occurs during a call, switch the outdoor unit and indoor unit to A or B at the same time

Specifications:

• Power supply: 2000mAh, 3.7V rechargeable lithium battery (outdoor unit and indoor unit)
• Working temperature: -20℃～55℃
• Transmission distance: about 1000 meters in an open space
• Working frequency: B frequency: 462MHz, A frequency: 434MHz
• Charging time: about 5 hours to fully charge
• Music ringtone: optional
• Ringtone volume: 3 levels to adjust the volume (adjust the volume button when in standby mode)
• Call sound: 3 levels to adjust the call volume (adjust the volume button when the call is working)
• Dimensions: outdoor unit/indoor unit: 116*56*18mm
• Waterproof cover size: 121.5*61.5*31.3mm
• Charging stand size: 70*56*29mm