Voice iPhone (2-unit panel + 2 handsets) set of 3 BT-G2600 2-unit panel Technical specifications The dimensions of the panel are 12x6x28 cm Weight 1250 grams The dimensions of the phone are 12 x 6 x 19.5 cm Number of units 2 Including the phone Package dimensions 10 x 25 x 30 cm Package weight 1.280 kg Built-in door opener features Other descriptions of the 2-unit audio door opener system consisting of: external audio panel of 2 phones