Specification 1) crt: 4" tft-lcd 2) power source: ac 100-240v 3) power consumption: 10 w 4) resolution: 420 tv lines 5) chime: ding dong chime 6) operating temperature: -10oc ~ +50oc 7) installation: wall-mounted 8) dimension: 208(l) x 150(w) x 57(h) 9) weight: 0.80 kg Certificate: ce Recommend reason: