... LCD display wireless touch alarm VSTAR SECURITY green LCD display back up light wireless touch alarm, 29 wireless zone, 8 wired zone ... backup battery, with self-check, phone-line cut alarm4.Record up to a 10 second voice message, When alarm is triggered ... (Rechargeable Battery)Standby Time: ≤16 hours Charge Time: ≥12 hoursSupports up to 10 remotes and 60 wireless detectors.Receiving/Emitting Frequency ...