Wireless PIR Motion Sensor Detector Security Alarm Chime,Shop Store Office Home Front Door Entry Welcome Doorbell,Mailbox Alert,

Application:For business welcome purpose, a big mall with various gates or small retail store may need the detectors to transmit rings when guests come in. For the home safety purpose, alert you when someone is approaching your driveway/porch/gallery/garage door.  Also can used to monitor the elderly or child, who live separately or needs help. Put it to the mailbox door, the chime will work when you have mail in your box. No more walking out every hour to see if your mail is there.Applicable to all kinds of shops, upscale clubs, hotels, offices, factories, homes, banks, store,garage, supermarket, boutique,villas and other places!  Features:1. Various modes for selection: welcome/ alarm/ doorbell/ color light/ night light reminder mode.2. 36 different ringtones from melody sounds to simple basic buzz and 5 welcome songs for business use.3. 4 levels volume can be adjustable.4. Colorful LED flashing light, adjustable brightness, 4 light color mode choices (red light/ blue light/ green light and color light).5. Built in 8 chord music chips, 40mm speaker, more pleasant, more loud.6. Independent alarm speaker, maximum 113dB, can effectively deter thieves. Parameter:Power Supply: battery or USB powerReceiver: 3pcs 1.5V AA Batteries (not included)Transmitter: 3pcs 1.5V AAA Batteries (not included)Detecting range:2-8m/6.6-26ftOperating range:280m/918ftVolume:up to 113dBWorking temperature:-10~60 centigradeStorage temperature:-20~70 centigrade Note:1. Not waterproof, if you need use them at outside, have to use a cover to protect it.2. Use high capacity battery so that can extend product life, also the batteries life is related to the usage count, hope you can understand.