Metal Detector, Finder for Gold Silver Copper Gemstones 100-240VUS Plug Portable Adults Adjustable Search Underground 0‑1200m Long Range Seeking Metals - Fydun

• Heavy Duty Battery: APP remote control burglar alarm built-in backup battery, it can supply power for up to 8 hours during power outage. Alarm support 20 seconds SMS alarm recording, and support alarm prompt wireless sensor battery low voltage. 5 monitoring modes: There are 5 monitoring modes, doorbell mode. Mobile phone remote control on and off, monitoring and voice calls for security alarm. Security system used for telephoning remote arming, disarming, monitoring, intercom. Arming SMS remote, disarm, stay arm and remote settings. Safe use: The security system kit supports 5 groups of alarm phone settings, you can set the alarm SMS switch and dial the phone switch sepa ely. If you enter the wrong password five times in a row, the keyboard will reject it for 90 seconds. SERVICE GUARANTEE:Our machines are of good quality and low price, and the quality is guaranteed. Whether it is for commercial or home use, it is your best choice. High performance: The security alarm supports external wireless signal, door and window not closed alarm, voice prompt ope ion. The smart home burglar alarm system can intelligently identify pets, and will not misinform the kitten or the dog.