| Wireless Monitor | 
Power source | 
Main body: Rechargeable battery AAA (R03) Ni-MH battery (1.2 V, 550 mAh)x2 | 
| Dimensions (H x W x D) | 
Approx. 173 x 52 x 30 mm (excluding protruding sections) | 
| Mass (weight) | 
Approx.160 g (including the batteries) | 
| Operating environment | 
Ambient temperature: Approx. 0  to +40C, Relative humidity (non-condensing): up to 90 % | 
| Display size | 
2.2-inch colour / QVGA (320 x 240 pixels) | 
| Frequency range | 
1.88 GHz to 1.90 GHz | 
| RF transmission power | 
Approx. 10 mW (average power per channel) 250 mW (max.) | 
| Operating time | 
Standby use: approx. 80 hours*When used fully charged in an operating temperature of 20C. | 
| Charging time | 
Approx. 8 hours*When the operating temperature is 20C. The charging time may increase when the operating temperature is lower than this. | 
| Transmitting range | 
Approx. 100 m (line-of-sight distance between the main and wireless monitor) | 
| External material | 
ABS resin | 
| Charger | 
Power source | 
AC adaptor (5.5 V DC, 0.5 A) | 
| Power consumption | 
Standby: 0.6 W * , Charing: 1.6 W*When the sub monitor with full-charged batteries is placed on the charger. | 
| Dimensions (H x W x D) | 
Approx. 43 x 81 x 76 mm (excluding protruding sections) | 
| Mass (weight) | 
Approx. 70 g (excluding the AC adaptor) | 
| Operating environment | 
Ambient temperature: Approx. 0 to +40C, Relative humidity (non-condensing): up to 90 % | 
| External material | 
ABS resin |