From the Manufacturer:
1. New and high quality
2. Hands free video door phone
3. This door station adopt high-definition CCD camera, making a better effect for image
4. Monitoring outside by pressing the key
5. Micro-processing technology, automatic remote control functionality, excellent performance, high reliability, wall or desktop mounting
6. One outdoor unit can also call up to indoor units
7. A choice of multi-chord tunes are available with adjustable volume
8. Built-in high-capacity rechargeable lithium-ion battery
9. USB interface for charging battery
10. Explosion-proof, waterproof design, prevent-oxidation, wear-resistant metal case
11. Installation is simple and convenient, Users can install itself

Specifications:
1. Indoor Dimensions: 225 x 130 x 24mm
2. Outdoor Dimensions: 168 x 110 x 65mm
3. Power Adaptor for Outdoor Camera; Cable Length: 100cm
4. Power Adaptor for Indoor Camera; Cable Length: 150cm
5. Weight: 1372 g / 72.33 oz
6. Color: Black
7. Input Power: 100-240V 50/60Hz
8. Output Power: 5V/1A
9. Standby Times: Over 120hours

Includes:
2 x 7″ Indoor monitor
1 x Outdoor camera
3 x Charger
2 x Screw pack
3 x BL-5J Battery

Product Features

• 2.4GHz launch frequency, Approx 300 meters barrier free remote control distance, robust anti-interference.
• 7″ TFT color display.0.3Mega pixel camera. Indoor monitor can take pictures automatically and store up to 130 pictures with date and time.
• Rain shield for the outdoor camera.16 chord melodies for your options.Explosion-proof, waterproof design, prevent-oxidation, wear-resistant metal case
• Clear night vision can capture image in low-illumination environment. Time shows on the screen.
• Surveillance, wireless unlock, hands-free call and talk. BL-5J battery is replaceable and rechargeable. Wireless unlock control supports power on and power off unlock mode.