_x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ 2 Way Voice Intercom Super Long Range Wireless Intercomunicador Waterproof Intercom Doorbell System Unit _x000D_ Feature: _x000D_ _x000D_ 1. DOORBELL UNIT: The pack contains 2 pcs doorbell system units, which can switch between ringtone call and intercom mode._x000D_ 2. INTERCOMUNICADOR FUNCTION: the two units can be used as intercomunicador for two way talk without shouting at home._x000D_ 3. LONG RANGE: The transmission distance of the voice intercom device can achieve 1000m in open area and 20 to 50m through wall, highly practical._x000D_ 4. INDICATOR LIGHT: The voice intercom units are humanized designed with intercom light and power light, users can see clearly at a glance._x000D_ 5. LONG BATTERY LIFE: The 2 way voice intercom has built in large capacity battery, adopts intelligent power saving chip, with long battery life._x000D_ _x000D_ _x000D_ Specification: _x000D_ _x000D_ _x000D_ Item Type: 2WayVoiceIntercom Material: ABS Model: H8 Battery: Rechargeable Lithium Battery 3.7V 1800mAh (Built in) Use: Widely used in household, office, laboratory environment, medical treatment, etc. Basic Parameter: Working Temperature: -20 to 55 Transmission Distance: 1000m in open area, 20 to 50m through wall Operating Frequency: 410M to 490M _x000D_ Package List: _x000D_ 2 x 2 Way Voice Intercom _x000D_ 2 x Base _x000D_ 2 x USB Cable _x000D_ 1 x User Manual _x000D_ _x000D_ _x000D_ _x000D_ How to use: Installandturnontouse._x000D_ _x000D_ _x000D_